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Patents for Albert W. Brown
Patents 31 - 37 of 37
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
129,536Jul. 16, 1872W.C. CrossStem Calipersmeasurement gauges
145,896Dec. 23, 1873F.B. Cotton, A.J. PeaveyDevices for Holding and Carrying Pipe-Fittings Chuckspipe and chain vises
359,378Mar. 15, 1887G.F. BallouGraduating-Machinetool making machines
868,126Oct. 15, 1907C.W. Walker, J.E. RichardsPipe Wrenchpipe wrenches
868,127Oct. 15, 1907J.E. RichardsPipe Wrenchpipe wrenches
898,996Sep. 15, 1908G.P. SpragueNut Wrenchratchet wrenches
898,997Sep. 15, 1908G.P. SpragueNut Wrenchnut wrenches
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