Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D907452 | Drive guide | James J. Van Essen, Michael J. Zimmermann, Steven W. Hyma, Alec D. Snavley | 2021-01-12 |
| 10882165 | Drive guide | James J. Van Essen, Michael J. Zimmermann | 2021-01-05 |