Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322832 | Slingshot or similar article | James C. Ferguson, Marvin C. Hanz | 1991-12-31 |
| 5016601 | Slingshot with adjustable sight | James C. Ferguson, Marvin C. Hanz | 1991-05-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322832 | Slingshot or similar article | James C. Ferguson, Marvin C. Hanz | 1991-12-31 |
| 5016601 | Slingshot with adjustable sight | James C. Ferguson, Marvin C. Hanz | 1991-05-21 |