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Patents for Percy Hunt
Patents 1 - 12 of 12
First set of recordsLast set of records
NumberDatePatenteeTitleType
GB-112,879Jan. 31, 1918P. Hunt, H.W. Hunt, H. HuntNew or improved construction of twist drill grooving and clearance grinding (or milling) machinesdrill grinders
GB-113,389Feb. 21, 1918P. Hunt, H.W. Hunt, H. HuntImprovement in lathes for tapering twist drill shanks and for like purposesmetal lathes
GB-122,735Feb. 06, 1919P. Hunt, H.W. Hunt, H. HuntImprovements in twist drill point grinding machinesdrill grinders
FR-489,933Mar. 22, 1919P. Hunt, H.W. Hunt, H. HuntMachine for sharpening helicoidal drill tipsdrill grinders
FR-495,289Oct. 03, 1919P. Hunt, H.W. Hunt, H. HuntMachine to groove and cut twist drillsdrill grinders
CA-209,162Mar. 08, 1921P. Hunt, H.W. Hunt, H. HuntTwist drill point grinding machinedrill grinders
GB-164,057May 17, 1921P. Hunt, H.W. Hunt, H. HuntImprovements in automatic flute milling machines for reamers, taps, shafts and the likemaking drills and augers
GB-168,634Sep. 08, 1921P. Hunt, H.W. Hunt, H. HuntImprovements in twist drill point grinding machinesdrill grinders
FE-23,110Oct. 04, 1921P. Hunt, H.W. Hunt, H. HuntMachine to groove and cut twist drillsdrill grinders
DE-375,851May 19, 1923H. Hunt, P. Hunt, H.W. HuntDrill grinding machinedrill grinders
GB-275,071Aug. 04, 1927P. Hunt, H.W. HuntImprovements in twist drill point grinding and thinning machinesdrill grinders
GB-360,990Nov. 19, 1931P. Hunt, H.W. HuntA machine for sharpening screwing taps and the liketool making
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