| All Patents in class 396/519 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 432,974 | Jul. 29, 1890 | W.F. Carlton | Plate Holder for Photographic Cameras | film and plate holders |
| 766,835 | Aug. 09, 1904 | A.J. Merz | Photographic Plate Holder | film and plate holders |
| 785,707 | Mar. 28, 1905 | F.A. Brownell | Photographic Plate Holder | film and plate holders |
| 1,139,079 | May 11, 1915 | H.C. Sievers | Method of and Device for Holding Photographic Film Sheets | film and plate holders |
| 1,146,858 | Jul. 20, 1915 | W.F. Folmer | Holder for Photographic Sensitized Material | film and plate holders |
| 1,351,998 | Sep. 07, 1920 | W.F. Folmer | Photographic Film Sheath | film and plate holders |
| 1,544,970 | Jul. 07, 1925 | W.F. Folmer | Latch, Multiplying Back for Cameras | camera accessories |
