Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460200 | Hydraulic chuck with improved seal | Robert F. Rasmussen, Robert L. Wietecha, Gary L. Pearson | 1984-07-17 |
| 4189162 | Hydraulic chuck | Robert F. Rasmussen, Robert L. Wietecha, Gary L. Pearson | 1980-02-19 |