Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792284 | Device for creating and exploiting a pressure difference and the technical application thereof | Paul Werner Straub, John Stark | 1988-12-20 |
| 4244041 | Electronic timepiece with an alarm device | — | 1981-01-06 |