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All Patents of Type: drill press accessories
Patents 1 - 15 of 21
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
234,687Nov. 23, 1880J.G. PopeDrill Press Attachmentdrill press accessories
336,762Feb. 23, 1886O. SmithTool for drill pressescountersinks
520,362May 22, 1894W.C. JenningsTurret Head for Drill Machinesdrill press accessories
1,394,709Oct. 25, 1921J.F. BuhrDrill Headdrill press accessories
1,428,002Sep. 05, 1922J.F. BuhrDrill Head for Drilling Machinesdrill press accessories
1,700,975Feb. 05, 1929J.F. BuhrDrill Headdrill press accessories
1,845,123Feb. 16, 1932J.F. BuhrCollet Meansdrill press accessories
1,864,707Jun. 28, 1932C.R. AldenSlip bushingdrill press accessories
1,934,910Nov. 14, 1933J.F. BuhrCollet Meansdrill press accessories
1,973,942Sep. 18, 1934J.F. BuhrSocket Collet Structuredrill press accessories
1,973,943Sep. 18, 1934J.F. BuhrSocket Collet Structuredrill press accessories
2,078,192Apr. 20, 1937R.G. Ellis, J.F. BuhrTool Holderdrill press accessories
2,152,302Mar. 28, 1939J.F. BuhrLock for Tool Holdersdrill press accessories
2,481,642Sep. 13, 1949C.A. Grunschel, C.S. BohmerMultiple Tool Headdrill press accessories
2,549,490Apr. 17, 1951G.H. KuhlMultiple spindle drill gearingmultiple spindle drill presses
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