Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032184 | Method for aspirating liquid from surgical operating room floors | Rance A. Winkler | 1991-07-16 |
| 5014389 | Foot manipulated suction head and method for employing same | Rance A. Winkler | 1991-05-14 |