Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555444 | Self-contained, stand-alone power generator | — | 2023-01-17 |
| 5208589 | Magnetically controlled indicia display device | — | 1993-05-04 |
| RE30471 | Automatic bowling score computing and display device | — | 1981-01-06 |
| RE30441 | Bowling scoring apparatus and programming system therefor | — | 1980-12-02 |