Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4215390 | Warning light | — | 1980-07-29 |
| 4213113 | Electrical resistor element and method of manufacturing the same | Theodor VON Alten, Richard E. Voss, Oscar L. Denes | 1980-07-15 |