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| Patents for Ralph E. Bates | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,082,580 | Dec. 30, 1913 | R.E. Bates | Fluid-power hammer | |
 | 1,084,707 | Jan. 20, 1914 | J. Nazel, R.E. Bates | Fluid-power hammer | |
 | 1,793,206 | Feb. 17, 1931 | R.E. Bates | Pneumatic power hammer | |