Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908808 | Timepiece having a multipolar rotor | Petrus Matheus Josephus Knapen | 1990-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908808 | Timepiece having a multipolar rotor | Petrus Matheus Josephus Knapen | 1990-03-13 |