Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673185 | Hexagon tile game | — | 1987-06-16 |
| 4252150 | Pneumatic faucet attachment | John Duchan | 1981-02-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673185 | Hexagon tile game | — | 1987-06-16 |
| 4252150 | Pneumatic faucet attachment | John Duchan | 1981-02-24 |