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All Patents of Type: boring and turning machines
Patents 1 - 15 of 28
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NumberDatePatenteeTitleType
448,277Mar. 17, 1891F.W. TaylorBoring and Turning Millboring and turning machines
462,757Nov. 10, 1891J.B. AllfreeAutomatic Turning and Boring Millboring and turning machines
485,233Nov. 01, 1892W.J. SmithMachine for Boring Non Circular Holesboring and turning machines
1,296,885Mar. 11, 1919A.C. WaisBoring-millboring and turning machines
1,342,928Jun. 08, 1920W.T. SearsChange-speed mechanismradial drill presses
1,422,140Jul. 11, 1922W.T. SearsCar-wheel-boring machinecar wheel lathes
1,469,360Oct. 02, 1923J.K. CullenClamp and grip chuckcar wheel lathes
1,501,723Jul. 15, 1924C.F. RandolphLathe-controlling mechanismmetal lathes
2,129,485Sep. 06, 1938H.W. ZimmermanBoring machineboring and turning machines
2,155,072Apr. 18, 1939H.W. ZimmermanMachine for sizing and finishing boresboring and turning machines
GB-541,162Nov. 14, 1941S.W. ColeImprovements in tool-holders for use in boring and like machinesdrill press chucks
CA-420,604Jun. 06, 1944J.T. HepburnCutting and boring mechanismboring and turning machines
2,391,183Dec. 18, 1945W.F. MitchellCentering means for boring machinesboring and turning machines
2,393,696Jan. 29, 1946K.F. Gallimore, H.B. KrautMachine toolboring and turning machines
2,424,524Jul. 22, 1947W.H. WeimerBoring machineboring and turning machines
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