Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862789 | Positive displacement pump or motor utilizing a self-lubricated bearing | Roy T. Burgess, Gregory P. Campau, Robert C. Hodges, Douglas G. Snow, Roy H. Taylor | 1989-09-05 |