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Patents for C. F. Keller
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
444,923Jan. 20, 1891C.F. SperyPipe Tongspipe wrenches
450,676Apr. 21, 1891T. NewmanPipe Wrenchpipe wrenches
450,972Apr. 21, 1891T. NewmanPipe Wrenchpipe wrenches
454,222Jun. 16, 1891J.A. MillerWrenchquick adjust wrenches
CA-37,074Jul. 28, 1891T. NewmanPipe Wrenchpipe wrenches
470,626Mar. 08, 1892W.J. WalkerWrenchquick adjust wrenches
478,948Jul. 12, 1892A. BareisPipe Wrenchalligator wrenches
480,140Aug. 02, 1892J.F. SauermanChain Pipe Wrenchchain and strap wrenches
482,109Sep. 06, 1892W.J. WalkerPipe Wrenchquick adjust wrenches
484,575Oct. 18, 1892E. WetterhahnMechanic's Squaresquares
489,327Jan. 03, 1893W. RathboneVise
491,255Feb. 07, 1893W.J. WalkerPipe Wrenchquick adjust wrenches
499,863Jun. 20, 1893A.L. Bedford, W.J. WalkerVehicle Wrenchaxle nut wrenches
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