Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5889463 | Anti-theft device | Dennis L. Judd, Ralph M. Swanson | 1999-03-30 |
| 4497558 | Diffusion-transfer processor for photomechanical reproductions | Bruce Cooperberg | 1985-02-05 |
| 4338016 | Diffusion-transfer processor | Bruce Cooperberg | 1982-07-06 |