Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11850767 | Auger | Michael J. Zimmermann | 2023-12-26 |
| D1007546 | Drill bit | Michael J. Zimmermann | 2023-12-12 |
| 11285632 | Auger | Michael J. Zimmermann | 2022-03-29 |
| D923674 | Drill bit | Michael J. Zimmermann | 2021-06-29 |
| 10744671 | Auger | Michael J. Zimmermann | 2020-08-18 |
| D859483 | Drill bit | Michael J. Zimmermann | 2019-09-10 |