Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375430 | CD cassette stand | Norbert Gubo, Gerald Sebert | 1996-11-12 |
| 5346215 | Three-dimensional puzzle | — | 1994-09-13 |
| 5344148 | Three-dimensional puzzle | — | 1994-09-06 |
| 5338034 | Three-dimensional puzzle | — | 1994-08-16 |
| 5318301 | Three-dimensional puzzle | — | 1994-06-07 |