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Patents for Frederick Bathurst
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
480,727Aug. 16, 1892E. KolbenArmature-conductor and means for insulating the samemotor armatures
480,728Aug. 16, 1892E. KolbenRing-armaturemotor armatures
491,567Feb. 14, 1893E. KolbenConductor for armaturesmotor armatures
491,568Feb. 14, 1893E. KolbenArmature and means for supporting the samemotor armatures
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