Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002259 | Electrostatic adhesion tester for thin film conductors | Alfred Griffin, Daniel Callahan, Haining Yang | 1999-12-14 |
| 4881465 | Non-toxic shot pellets for shotguns and method | Robert C. Hooper | 1989-11-21 |