Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867020 | Apparatus for finishing pistons and the like and method therefor | Bruce A. Brown, Donald S. Akhurst, Douglas R. Myers, Robert W. Smith, Robert W. DeBruyne | 1989-09-19 |