Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457521 | Reinforced track pin assemblies and seals therefor | — | 1984-07-03 |
| 4436315 | Two piece seal adapted for simplified installation | Seymour A. Hatch | 1984-03-13 |
| 4421327 | Heavy duty end face seal with asymmetrical cross-section | Burton K. Olsson | 1983-12-20 |