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| All Patents in class 242/350 | |||||
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| Number | Date | Patentee | Title | Type | |
| 317,050 | May 05, 1885 | G. Eastman, W.H. Walker | Roll Holder for Photographic Films | film and plate holders | |
| 1,023,933 | Apr. 23, 1912 | W.F. Folmer | Film Winding Key for Cameras | cameras | |