Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289850 | Fluid coupling having vent valve assembly | Charles R. Sarson, Thomas D. Karcher | 1994-03-01 |
| 4833951 | Tool for mounting a socket | Thomas D. Karcher | 1989-05-30 |
| 4782574 | Method for mounting a socket | Thomas D. Karcher | 1988-11-08 |