Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D906081 | Driver bit | James J. Van Essen, Michael J. Zimmermann | 2020-12-29 |
| D896047 | Driver | Steven W. Hyma, Alec D. Snavley, Michael J. Zimmermann | 2020-09-15 |
| 10695845 | Step drill bit | Douglas W. Allen, Courtney McCool, Richard Hohnl, Jr. | 2020-06-30 |
| D878052 | Socket holder | Steven W. Hyma, Jacob A. Krabbe, Jacob M. Stadler | 2020-03-17 |