Derniers inventions, produits et services
|
2025
|
Invention
|
Selectively frictionally engaged hole cover.
A selectively frictionally engaged hole cover for a... |
|
2024
|
Invention
|
Selectively frictionally engaged hole cover. A selectively frictionally engaged hole cover for a ... |
|
2022
|
Invention
|
Anchored hole cover. An anchored hole cover for a bore hole cored from a paved surface that inclu... |
|
2021
|
Invention
|
Anchored hole cover. The present specification discloses an anchored hole cover for a bore hole c... |
|
