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| Patents for Robert O. Beardsley | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,715,813 | Jun. 04, 1929 | R.O. Beardsley | Mounting for Screws and Taps | ||
| 1,745,523 | Feb. 04, 1930 | R.O. Beardsley | Apparatus for Testing Taper Threaded Screws | ||
| 1,812,369 | Jun. 30, 1931 | R.O. Beardsley, R.W. Porter | Projecting Mechanism and Gear Staging Device | ||