Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382488 | Pump jack poles | — | 1983-05-10 |
| 4351176 | Bending brake hemmer | — | 1982-09-28 |
| 4266953 | Mechanism for removing dust particles from an engine air cleaner | Bernard A. Matthys, Donald W. Schoen | 1981-05-12 |
| 4247830 | Plasma sprayed wicks for pulsed metal vapor lasers | Thomas W. Karras | 1981-01-27 |