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| All Patents in class 396/316 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,315,987 | Apr. 06, 1943 | B.L. Smith | Photographic Cut Film Holder and Identifying Stencil or Tab Therefor | film and plate holders | |
| 2,362,814 | Nov. 14, 1944 | E.S. Hineline, L.D. Nadel, A.H. Gorey | Photographic Exposure Identification Means Particularly for Aerial Camera | camera accessories | |
| 2,564,453 | Aug. 14, 1951 | O. Steiner | Marking Apparatus for Film Identifications | camera accessories | |
| 2,813,469 | Nov. 19, 1957 | H. Nerwin | Photographic Camera | cameras | |