Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532482 | Method, system and device for changing of cutting tools | John Hollo | 2020-01-14 |
| 9669507 | Method of sharpening a blade and method of using a cutting device | John Hollo | 2017-06-06 |