Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381529 | Magnetic head construction | Jan Bouwma | 1983-04-26 |
JK
Johannes Kerssen
Overall (All Time): #4,051,089 of 4,157,543Top 100%
1
Patents All Time