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| Patents for Reuben S. Crosby | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,558,079 | Oct. 20, 1925 | E.W. Duston, R.S. Crosby | Feeder for automatic metal-working machines | |
 | 1,587,011 | Jun. 01, 1926 | R.S. Crosby | Tool support for metal-cutting machines | |
 | 1,902,117 | Mar. 21, 1933 | R.S. Crosby, C.W. Sponsel | Screw making machine | |
 | 1,923,423 | Aug. 22, 1933 | R.S. Crosby, F.E. Newton | Machine for cutting screw threads | |