Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5397202 | Anchor bolt installation method | Harry C. Tritapoe | 1995-03-14 |
| 4865390 | Continuous mining machine with roof supporting apparatus and method for anchoring crossbeam supports | Peter Singleton, William G. Young, Robert Joseph Kaminsky, JR. | 1989-09-12 |