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| All Patents in class 356/17 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 862,294 | Aug. 06, 1907 | A. Swasey | Range Finder | ||
| 2,693,744 | Nov. 09, 1954 | M.B. Moore, H. Nerwin, C.E. Smith | Rangefinder for Photographic Cameras | ||
| 2,717,543 | Sep. 13, 1955 | C.B. McCathron | Combined Range and View Finder for Cameras | ||
| 2,902,913 | Sep. 08, 1959 | M.B. Moore, H. Nerwin, C.E. Smith | Range Finder for Photographic Cameras | ||
| 2,966,104 | Dec. 27, 1960 | R.L. Dalton | Range Finder for Photographic Cameras | ||