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All Patents in class 82/1.5
Patents 16 - 25 of 25
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
994,457Jun. 06, 1911G.W. GreenVariable Diameter Brace-Bit for Boring Woodadjustable drill bits
1,989,227Jan. 29, 1935C.C. CraleyBoring Tooldrill press accessories
2,040,761May 12, 1936A. RothschmittSpherical Boring Headboring heads
2,517,738Aug. 08, 1950C. TreeTaper Boring Headboring heads
2,620,689Dec. 09, 1952S.A. CogsdillDeburring Tool Having a Slender Body for Projecting Into an Aperture deburring tools
2,641,146Jun. 09, 1953C.E. DiltsBoring and Turning Machineboring and turning machines
2,775,147Dec. 25, 1956T.E. Crawford, E. SchneebeliTaper Boring Devicevertical boring mills
2,808,745Oct. 08, 1957R.E. Blomquist, W.S. SwansonChamfering machine
2,841,053Jul. 01, 1958H. HorlacherTracer Controlled Angular Cuttermilling machine cutters
2,932,196Apr. 12, 1960J.J. SledzInternal Recessing Tool and Holder Therefordrilling and boring tool holders
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