Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951022 | Fluid seal device with reinforced dynamic lip | Hal W. Gorman | 1999-09-14 |
| 4807890 | Sealing combination | Everett E. Johnston | 1989-02-28 |
| 4476772 | Caging seal for hydraulic elevator or the like | Walter Herrmann | 1984-10-16 |
| 4398731 | Y-Interlock packing seal | Hal W. Gorman | 1983-08-16 |