| All Patents in class 396/183 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
| | 1,139,023 | May 11, 1915 | W.F. Folmer | Photographic Exposing Mechanism |
| | 2,271,340 | Jan. 27, 1942 | I. Jacobson | Shutter and Flash Synchronizer for Cameras |
| | 2,293,477 | Aug. 18, 1942 | O. Steiner | Photographic Flash Synchronization Equipment |
| | 2,308,725 | Jan. 19, 1943 | O. Steiner | Photographic Shutter and Synchronizing System |
| | 2,310,165 | Feb. 02, 1943 | O. Steiner | Photographic Flashlight Equipment |
| | 2,350,258 | May 30, 1944 | O. Steiner | Photoflash Synchronizer Unit and Equipment |
| | 2,418,714 | Apr. 08, 1947 | H.E. Smith, I. Jacobson | Photographic Synchronizing Equipment |
