Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936117 | Step drill bit | Courtney McCool, Smith C. Theiler, Richard Hohnl, Jr. | 2021-11-16 |
| 10953479 | Accessory tool | James J. Van Essen, Brett A. Parendo, Michael J. Zimmermann | 2021-03-23 |