Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179831 | Lockable drive socket adapter | Michael J. Zimmermann | 2021-11-23 |
| D933443 | Driver bit | Smith C. Theiler, Michael J. Zimmermann | 2021-10-19 |
| D921468 | Driver bit | Michael J. Zimmermann | 2021-06-08 |
| 10953479 | Accessory tool | Douglas W. Allen, Brett A. Parendo, Michael J. Zimmermann | 2021-03-23 |
| D907452 | Drive guide | Jacob A. Krabbe, Michael J. Zimmermann, Steven W. Hyma, Alec D. Snavley | 2021-01-12 |
| 10882165 | Drive guide | Jacob A. Krabbe, Michael J. Zimmermann | 2021-01-05 |