Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805073 | Cable terminal box construction | Howard C. Knott, Jerry A. Pederson | 1989-02-14 |
| 4508305 | Tilt lock means for a drafting table | Frank S. Avella, Robert JONES | 1985-04-02 |
| 4418378 | Light box | — | 1983-11-29 |
| 4303284 | Index guide means for a filing system | — | 1981-12-01 |