Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666655 | Hydraulic pump nozzle and method of use | Roy Heath, Douglas McClain, Rick L. Lincoln | 2003-12-23 |
| 6641372 | Dual discharge hydraulic pump and system therefor | David R. Aden, James L. Davison | 2003-11-04 |
| 6637551 | Check ball filter for transmissions | Roy Heath, Douglas D. Mc Clain, George E. Arlt | 2003-10-28 |