Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737619 | Fertility calculator | Thomas Freedom | 1988-04-12 |
| 4625099 | Fertility calculator | — | 1986-11-25 |
| 4417410 | Indicia means for keys | — | 1983-11-29 |
| 4270247 | Clasp | — | 1981-06-02 |
| 4241477 | Paper clip | Thomas Freedom | 1980-12-30 |