Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D803648 | Two stage electric sharpener | Samuel Weiner | 2017-11-28 |
| 9656372 | Sharpener for thick knives | Samuel Weiner, Daniel D. Friel, Jr. | 2017-05-23 |
| 9649749 | Manual sharpener | Samuel Weiner, Daniel D. Friel, Jr. | 2017-05-16 |