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| All Patents in class 396/461 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,251,494 | Jan. 01, 1918 | W.F. Folmer | Panoramic Camera | cameras | |
| 2,397,742 | Apr. 02, 1946 | W.S. Kals | Automatic Operation of Diaphragms and Shutters of Portrait Cameras | camera accessories | |
| 2,701,992 | Feb. 15, 1955 | A.H. Gorey | Between-the-Lens Shutter | camera shutters | |