Issued Patents All Time
Showing 101–104 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582089 | Valve manifold having a removable flange | — | 1986-04-15 |
| 4556196 | Method and apparatus for sealing valve stems | — | 1985-12-03 |
| 4452100 | Differential speed limiting device | William C. Sullivan | 1984-06-05 |
| 4445400 | Differential speed limiting device | William C. Sullivan | 1984-05-01 |