Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6561721 | Cable bolt with a yielding fixture and method of forming the same | Peter Lausch | 2003-05-13 |
| 5929341 | Stress measuring rock support device | William F. Bawden | 1999-07-27 |