Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836090 | Balanced variable stroke axial piston machine | — | 1989-06-06 |
| 4821680 | Sliding door hardware | Douglas N. Smith | 1989-04-18 |
| 4815358 | Balanced variable stroke axial piston machine | — | 1989-03-28 |