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| Patents for Irving Jacobson | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,271,340 | Jan. 27, 1942 | I. Jacobson | Shutter and Flash Synchronizer for Cameras | camera flash lighting apparatus | |
| 2,302,031 | Nov. 17, 1942 | I. Jacobson | Photographic Apparatus | camera flash lighting apparatus | |
| 2,311,440 | Feb. 16, 1943 | I. Jacobson | Camera and Light Synchronizer | camera shutters | |
| 2,418,714 | Apr. 08, 1947 | H.E. Smith, I. Jacobson | Photographic Synchronizing Equipment | camera flash lighting apparatus | |