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Patents Granted on 1928-05-01
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,667,801May 01, 1928A.L. Christensen, C.E. HawkesCombination Tool Holderlathe tool holders and tool posts
1,667,809May 01, 1928F.A. KershawInternal Gaugespecial purpose gauges
1,668,245May 01, 1928H.A. McGowanCrank Case Implementautomotive specialty wrenches
1,668,248May 01, 1928R.W. OlsonMicrometer Attachmentmicrometers
1,668,361May 01, 1928H.B. FoleySaw-filing machinewoodworking machine sharpening mechanisms
1,668,512May 01, 1928A.W. MillerDevice for Dressing Locomotive Wheelsportable turning tools
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