Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399993 | Two handed tennis racket | — | 1983-08-23 |
| 4334385 | Flying disc | Richard L. Gillespie, Douglas A. Geller | 1982-06-15 |
| 4235378 | Water play toy | Richard L. Gillespie, Darle L. Kerkenbush, Jim L. Whittington, Douglas A. Geller | 1980-11-25 |