Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433397 | Circuit arrangement for the formation and processing of group signals | Egidius Arens | 1984-02-21 |
| 4266650 | Coupling hinge for two conveyors | John Patrick Petro | 1981-05-12 |