Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093823 | Cassette with removable disc | Cornelis M. Beijersbergen Van Henegouwen, Wilhelmus J. F. Rath, Karel G. M. Koken | 1992-03-03 |
CO
Cornelius Ouwerkerk
Overall (All Time): #3,845,254 of 4,157,543Top 95%
1
Patents All Time