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Patents Granted on 1917-04-17
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,223,012Apr. 17, 1917F.A. Bicknell, F.W. WhelpleyScrew Thread Gaging Devicethread gages
1,223,132Apr. 17, 1917C.J. Zigler, W.P. HoldenLumber Testerrule graduations
1,223,325Apr. 17, 1917F.O. Jaques, Sr.Anvil for Micrometer Gages and Similar Gagesmicrometers
1,223,342Apr. 17, 1917W.J. LondonElastic Fluid Turbinesteam turbines
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