Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274083 | Method of producing a hollow piston for a hydrostatic power unit | — | 2001-08-14 |
| 4327921 | Pressure balanced - constant engagement force seal | Harold L. Reinsma | 1982-05-04 |