Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11958168 | Wear resistant tool bit | James J. Van Essen, Michael J. Zimmermann, Smith C. Theiler, Carl Dietz | 2024-04-16 |
| 11638987 | Wear resistant tool bit | James J. Van Essen, Michael J. Zimmermann, Smith C. Theiler, Carl Dietz | 2023-05-02 |