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Patents Granted on 1917-02-__
Patents 1 - 15 of 39
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NumberDatePatenteeTitleType
1,214,497Feb. 06, 1917J. ArmstrongTool Holderlathe tool holders and tool posts
1,214,498Feb. 06, 1917J. ArmstrongTool Holderlathe tool holders and tool posts
1,214,521Feb. 06, 1917C.R. Dosch, P. DoschClamping appliancehand screws
1,214,572Feb. 06, 1917H.B. MertzValve Spring Liftervalve spring tools
1,214,589Feb. 06, 1917A. RasmussenHacksaw-blade for metal-sawing machinespower hacksaws
1,214,649Feb. 06, 1917S.A. CogsdillReamer reamers
1,214,754Feb. 06, 1917D.F. CarscaddenCounterboring Tool and Holderdrilling and boring tool holders
1,214,884Feb. 06, 1917G.J. BlumPower hacksawmetal sawing machines
1,214,973Feb. 06, 1917W.S. UpsonCombined Nut and Pipe Wrenchpipe and nut combination wrenches
1,215,071Feb. 06, 1917G.F. SteedmanUnloading-Valve for Compressorscompressor relief valves
1,215,308Feb. 06, 1917J.E. JohnsonCombination Toolscrewdriver handles
1,215,372Feb. 13, 1917A.P. HawnTractorinternal combustion traction engines
1,215,564Feb. 13, 1917J.C. McLachlanMold for casting shellsrockets and grenades
1,215,584Feb. 13, 1917N.E. SherwoodRope making machinerope maker
1,215,705Feb. 13, 1917C.D. RiceMultiple-spindle milling-machine and the likemilling machines
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