Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364147 | Device for handling railroad timber | Thomas Y. Gehr, Jr. | 1994-11-15 |
| 5323709 | Demolder | Thomas Y. Gehr, Jr. | 1994-06-28 |
| 4213616 | Four-in-a-row board game | — | 1980-07-22 |