Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580101 | Tapered joint thread system | Albert D. Fisher | 1996-12-03 |
| 4207565 | Piston overtravel indicator | Larry E. Isakson, Dennis M. Stanuszek | 1980-06-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580101 | Tapered joint thread system | Albert D. Fisher | 1996-12-03 |
| 4207565 | Piston overtravel indicator | Larry E. Isakson, Dennis M. Stanuszek | 1980-06-10 |