Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612595 | DC power control system | Vernon C. Evans | 1986-09-16 |
| 4340920 | Mine vehicle safety apparatus | Dempsey G. Tucker, John E. Hull | 1982-07-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612595 | DC power control system | Vernon C. Evans | 1986-09-16 |
| 4340920 | Mine vehicle safety apparatus | Dempsey G. Tucker, John E. Hull | 1982-07-20 |