Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260512 | Sound-signal generator having ball-shaped housing with keyboard incorporated therein | Michel Chomette, Robert J. Mathews | 1993-11-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260512 | Sound-signal generator having ball-shaped housing with keyboard incorporated therein | Michel Chomette, Robert J. Mathews | 1993-11-09 |