Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4782610 | Display assembly with illumination system | David U. Hillstrom, Donald R. Gaines, John E. Chandler | 1988-11-08 |
| 4549504 | Electronic controller for regulating temperature within an internal combustion engine system | Donald R. Gaines | 1985-10-29 |