Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867157 | Surgical cutting instrument | Erin McGurk-Burleson, Elmer Koehler, Victor S. Packham, James A. Thimsen, Richard B. Caspari | 1989-09-19 |
| 4844064 | Surgical cutting instrument with end and side openings | James A. Thimsen, Richard B. Caspari | 1989-07-04 |