Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076827 | Magnetic shooter with flexible/swiveling shaft | — | 2000-06-20 |
| 4371166 | Cylindrical puzzle | Daniel B. Ferris, Martin M. Trossman | 1983-02-01 |
| 4181240 | Flexible dispenser for flexible sheets | — | 1980-01-01 |