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| All Patents in class 396/497 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,553,394 | May 15, 1951 | F.P. Willcox | Photographic Shutter Mechanism | camera shutters | |
| 3,199,427 | Aug. 10, 1965 | A.H. Gorey | Automatic Shutter Cocking Mechanism for Camera | camera shutters | |