Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119855 | Face frame component machining system | Charles A. Knighten | 1992-06-09 |
| 4485857 | Door processing machine | Charles A. Knighten | 1984-12-04 |
| 4268175 | Tractor mounted self-loading concrete mixing apparatus | Robert N. Norlie | 1981-05-19 |