2019
|
Invention
|
Hemp shielded sliding door system and method. A sliding door system and method is used in an encl... |
2013
|
Invention
|
Door and system providing radio frequency shielding against high-altitude electromagnetic pulse. ... |
|
Invention
|
Wide channel knife edge door and door frame system. The present invention is a wide channel door ... |
2010
|
Invention
|
Double panel door and double frame providing radio frequency shielding and soundproofing. Double ... |
2008
|
Invention
|
Steel sheeting for use in room size radio frequency shielded enclosures and method for making imp... |
1991
|
G/S
|
installation of RF shielded enclosures |