Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379048 | Cassette for storing flat articles, particularly data carriers | Willem de Koning | 1997-05-06 |
| 5617949 | Cassette, designed to recieve flat objects, especially data carriers | Willem de Koning | 1997-04-08 |
| D346825 | Filing case | — | 1994-05-10 |
| D346404 | Filing case | — | 1994-04-26 |
| D346403 | Filing case | — | 1994-04-26 |
| D341625 | Filing case | — | 1993-11-23 |
| 5209593 | Device for storing documents | — | 1993-05-11 |
| 4713951 | Separable key holder | — | 1987-12-22 |