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| Patents for Ralph R. Keeler | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 864,009 | Aug. 20, 1907 | E.S. Marks | Adjustable Handle for Bench-Planes | |
 | 864,010 | Aug. 20, 1907 | E.S. Marks | Tilting Tote | |
 | 864,101 | Aug. 20, 1907 | E.S. Marks | Frog Receiver for Benchplanes | |