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| Patents for Frederick B. Ballou | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 648,122 | Apr. 24, 1900 | W.P. Davis | Electric Igniter for Explosive Engines | |
 | 685,723 | Oct. 29, 1901 | T.C. Menges | Friction Clutch | |