Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152938 | Device for opening blocked tubes | — | 2000-11-28 |
| 5826379 | Highly wind resistant pre-assembled relocatable building structure | — | 1998-10-27 |
| 5566515 | Highly wind resistant pre-assembled relocatable building structure with continuous sheet outer wall | — | 1996-10-22 |
| 4486936 | Apparatus for removing a roller or workpiece | — | 1984-12-11 |
| 4274764 | Mine roof supporting system | — | 1981-06-23 |
| 4241929 | Ski board with improved foot treads | — | 1980-12-30 |
| 4212365 | Articulating mine car coupling | — | 1980-07-15 |