Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290673 | Bottle drainer rack | — | 1987-07-07 |
| 4339135 | Electronic matrix board game apparatus and method | Jeffrey D. Breslow, Christian H. Oberth | 1982-07-13 |
| 4270754 | Amusement device | — | 1981-06-02 |
| 4244581 | Game with pieces preventing adjacent placement | — | 1981-01-13 |
| 4198055 | Interacting game board and playing piece | — | 1980-04-15 |
| 4191370 | Pneumatic exercising device | Burton C. Meyer, Ralph J. Kulesza | 1980-03-04 |