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| All Patents in class 242/347.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,977,569 | Oct. 16, 1934 | E.S. Hineline | Film Magazine | film and plate holders | |
| 2,721,041 | Oct. 18, 1955 | H. Nerwin | Film Cartridge for Photographic Cameras | film and plate holders | |