Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for William S. Kals | |||||
Number | Date | Patentee | Title | Type | |
2,371,524 | Mar. 13, 1945 | W.S. Kals | Operating Device for Cameras | camera accessories | |
2,397,742 | Apr. 02, 1946 | W.S. Kals | Automatic Operation of Diaphragms and Shutters of Portrait Cameras | camera accessories |