Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443112 | Planetary gear for date mechanism in a wristwatch | Gerhard Stotz, Adolf Sedlak | 1984-04-17 |
| 4432081 | Quick date setting by push-button in a watch | Herbert Schwartz | 1984-02-14 |
| 4241439 | Substrate board/carrier frame assembly | — | 1980-12-23 |