Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173556 | Seed packet filling and closing machine | — | 2001-01-16 |
| 4286528 | Exhaust filter system | — | 1981-09-01 |
| 4282739 | Geared power amplification unit for presses | Norman P. Hallenbeck | 1981-08-11 |