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| Patents for Ralph S. Warfield | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 875,364 | Dec. 31, 1907 | E.C. Mershon | Adjusting-gage for levers | |
| 920,948 | May 11, 1909 | J.L. Graham | Press-roll mechanism | ||
| 942,389 | Dec. 07, 1909 | G.D. Wiggins | Horizontal boring and mortising machine | ||
 | 968,342 | Aug. 23, 1910 | J.L. Graham | Oscillation for gang-saws | |
| 1,000,510 | Aug. 15, 1911 | J.L. Graham | Gang-saw mill | ||
| 1,002,675 | Sep. 05, 1911 | J.L. Graham | Gang-saw mill | ||