Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272374 | Modular chess set piece | — | 1984-01-24 |
| 4234188 | Modular chess set | — | 1980-11-18 |
| 4230530 | Self-cleaning water distiller with intermittent overflow | Kenneth D. Lemoine | 1980-10-28 |