Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623031 | Control apparatus for a steering system | Gilbert H. Drutchas | 1986-11-18 |
| 4422834 | Power steering pump | Gilbert H. Drutchas | 1983-12-27 |
| 4400144 | Air compressor | Gilbert H. Drutchas | 1983-08-23 |