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2025
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G/S
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Ladders of metal; Metal ladders; Metal step ladders; Metal stepladders and ladders; Step ladders ... |
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2023
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G/S
|
Ladders, not of metal; Non-metal ladders |
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2022
|
G/S
|
Ladders of metal; metal ladders; metal step ladders; metal stepladders and ladders; step ladders ... |
|
|
G/S
|
Metal attic ladders; Metal attic step ladders; Metal stepladders and ladders for use in the attic... |
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2020
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G/S
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Metal ladders, workstands in the nature of metal formwork tables, and prefabricated metal platfor... |
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Invention
|
Co-molded shoe for a ladder rail and method for forming such shoe.
A shoe for a rail of the ladd... |
|
|
Invention
|
Stepladder adapted for use as a single ladder or an extension ladder.
A ladder apparatus has a f... |
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2019
|
Invention
|
Configurable ladder system and method. A configurable ladder system that can be configured into a... |
|
|
G/S
|
Ladders made of metal
Ladders made of plastics; ladders made of glass fiber composites |
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|
Invention
|
Cable trap system and method.
A safety apparatus for coupling with a ladder and methods for manu... |
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2018
|
Invention
|
Stepladder adapted for use as a single ladder or an extension ladder. A ladder apparatus has a fi... |
|
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Invention
|
Tripod stepladder. A stepladder assembly has a front section with a pair of side rails and a plur... |
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G/S
|
Metal ladders; ladder accessories, namely, metal ladder shoes, covers specially designed for meta... |
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|
Invention
|
Ladder shelf |
|
|
Invention
|
Ladder |
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|
Invention
|
Component of a tripod stepladder |
|
|
Invention
|
Ladder with system opening facilitator.
The present disclosure is directed to a ladder system. A... |
|
|
Invention
|
Extension or straight ladder having a retractable platform.
A ladder has a pair of side rails in... |
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2017
|
Invention
|
Rung lock frame for a rung lock assembly for use with an extension ladder. A rung lock frame has ... |
|
|
Invention
|
Pair of hooks |
|
|
Invention
|
Cable trap system and method. A safety apparatus for coupling with a ladder and methods for manuf... |
|
|
Invention
|
Working cap system and method. A working cap system suitable for supporting an extensive variety ... |
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|
Invention
|
End cap for a ladder |
|
|
G/S
|
Metal ladders, metal stepladders, metal step stools, metal scaffolding, ladder stabilizers, ladde... |
|
|
G/S
|
Non-metal ladders |
|
2016
|
Invention
|
Rung lock for a ladder |
|
|
G/S
|
Rung locks made of synthetic materials for ladders |
|
|
G/S
|
Non-metal ladders, namely aluminum ladders and fiberglass ladders |
|
|
G/S
|
Metal ladders, metal stepladders, metal step stools, metal scaffolding, prefabricated metal platf... |
|
|
G/S
|
Metal ladders Non-metal ladders |
|
|
G/S
|
Metal ladders |
|
|
G/S
|
Non-metal rung locks for ladders |
|
2014
|
G/S
|
Ladders |
|
2013
|
Invention
|
Step for a ladder |
|
|
Invention
|
Shoe bracket assembly for attachment to a bottom of a rail of ladder. A shoe bracket assembly for... |
|
2010
|
Invention
|
Brace for a step of a stepladder |
|
|
Invention
|
Brace for a step of a stepladder and a stepladder employing such braces.
A bracing system for a ... |
|
|
G/S
|
Non-metal ladder accessories, namely, a plastic handle with non-skid surface, for use on and atta... |
|
|
G/S
|
Plastic step supports for ladders, namely, plastic stabilizers for ladders |
|
|
Invention
|
Ladder top cap |
|
2009
|
G/S
|
Ladders, ladder tie-downs for use to secure ladders for storage and vehicle transport, ladder sta... |
|
2008
|
G/S
|
Metal attic ladders |
|
|
Invention
|
Pail shelf |
|
|
Invention
|
End cover for a ladder rail.
An end cover for a rail of a ladder has a body having a front and a... |
|
|
G/S
|
Non-metal ladder accessories, namely, plastic work surfaces featuring tool and accessory organize... |
|
|
Invention
|
Ladder top |
|
|
Invention
|
Multi-tool ladder top.
A ladder top has a top panel, a groove formed in the top panel, a first d... |
|
2007
|
Invention
|
Attic ladder.
An attic ladder has a frame, a first side rail, a second side rail extending in pa... |
|
|
Invention
|
Ladder top for retaining a ladder against extrinsic surfaces. A cover for a ladder top has a top ... |
|
2003
|
Invention
|
Systems and methods for marking ladders using sublimation heat transfer. Systems and methods of m... |
|
2002
|
Invention
|
Multi-material cover for a ladder rail end. A cover for an end of a ladder rail includes a shell ... |
|
|
G/S
|
[Metal ladders] Non-metal ladders |
|
|
G/S
|
Non-Metal Ladders |
|
2001
|
Invention
|
Protective cap for ladders. A protective ladder cap for fitting over the end of a rail of a ladde... |
|
|
G/S
|
Ladders, accessory shelves for ladders, ladder tie-downs, ladder stabilizers, ladder jacks, step ... |
|
2000
|
G/S
|
NON-METAL LADDER COMPONENTS, NAMELY COVERS FOR THE ENDS OF LADDERS |
|
|
G/S
|
Aluminum ladders. |
|
|
Invention
|
Display placard for ladders. In combination with a ladder that comprises a pair of stiles connect... |
|
|
G/S
|
EDUCATIONAL SERVICES, NAMELY, CONDUCTING SEMINARS AND WORKSHOPS IN THE FIELD OF LADDER SAFETY |
|
|
G/S
|
metal ladders and parts therefore, namely, rung locks, and replacement parts therefor namely, run... |
|
1999
|
G/S
|
A COMPLETE LINE OF METAL LADDERS, PREFABRICATION METAL PLATFORMS, STEP STANDS, AND METAL PARTS AN... |
|
|
G/S
|
FULL LINE OF METAL ELEVATING AND SUPPORTING EQUIPMENT AND PARTS THEREFOR NON-METAL SCAFFOLDING AN... |
|
1998
|
Invention
|
Support frame assembly. A support frame assembly including at least one pair of generally vertica... |
|
|
Invention
|
End cap for structural member and method. A structural member end cap and method, the end cap hav... |
|
|
G/S
|
Ladders, scaffolds, platforms, workstands, and related parts and accessories. |
|
1997
|
G/S
|
Ladders.
Ladders. |
|
1996
|
Invention
|
Mobile warehouse ladder. A mobile ladder arrangement including base, ladder and linkage and camin... |
|
|
Invention
|
Ladder wear protection device. A wear protection device for disposition between two relatively mo... |
|
1995
|
G/S
|
aluminum ladders |
|
1994
|
Invention
|
Collapsible-expansible support assembly. A collapsible-expansible support assembly including a su... |
|
|
Invention
|
Rung lock and latch assembly for an extension ladder. A rung lock frame and a mechanical latching... |
|
1993
|
G/S
|
Ladders, stepstands and scaffolding and parts therefor.
Fibreglass ladders and wood ladders.
Ladd... |
|
|
G/S
|
Ladders, stepstands, and scaffolding and parts thereof.
Fibreglass ladders and wood ladders.
Ladd... |
|
|
Invention
|
Scaffold deck. Scaffold mounting structure for mounting a longitudinally extending scaffold deck ... |
|
1991
|
Invention
|
Articulated ladder assembly. An assembly including several ladder sections positionable in severa... |
|
|
Invention
|
Ladder top cover |
|
1989
|
G/S
|
FIBERGLASS LADDERS AND WOOD LADDERS |
|
|
Invention
|
Rolling tower scaffold and method and tooling apparatus for manufacturing the same. Climbing appa... |
|
|
Invention
|
Method and apparatus for treating ladder rungs for forming assembly with ladder rails. A method a... |