Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660172 | Auxiliary breathing apparatus and method | — | 1997-08-26 |
| 5181808 | Method and apparatus for automated drilling hole patterns in elongated workpieces | R. Lamar Griggs | 1993-01-26 |
| 5020648 | Ratchet assembly | Mike Bush, Keith Mellor, deceased | 1991-06-04 |