Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542180 | Heavy duty shear with anti-jam feature | — | 1996-08-06 |
| 5410905 | Meter for comparing impact hammers | Daniel E. Tyrrell | 1995-05-02 |
| 5408768 | Impact hammer cylinder | — | 1995-04-25 |