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