Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261648 | Pancratic objective | Trude Muszumanski, Franz J. Porscht | 1981-04-14 |
| 4217033 | Camera objective of variable focal length | — | 1980-08-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4261648 | Pancratic objective | Trude Muszumanski, Franz J. Porscht | 1981-04-14 |
| 4217033 | Camera objective of variable focal length | — | 1980-08-12 |