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All Patents in class 396/475 | |||||
Number | Date | Patentee | Title | Type | |
2,195,330 | Mar. 26, 1940 | E.S. Hineline | Focal Plane Shutter of Variable Aperture Type | camera shutters | |
2,269,400 | Jan. 06, 1942 | O. Steiner | High-Speed Between-the Lens Photographic Shutter | camera shutters |