Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005964 | Spectacles with combined sliding and pivoting rear vision elements | Joseph J. Berke, George H. Muller | 1991-04-09 |
| 4896956 | Spectacles with single pivot folded rear vision elements | Joseph J. Berke | 1990-01-30 |
| 4706273 | Cellular telephone | Anthony P. Palett | 1987-11-10 |