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