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All Patents in class 74/745
Patents 1 - 13 of 13
First set of recordsLast set of records
430,082Jun. 10, 1890F.B. MilesDrilling-machinedrill presses
725,141Apr. 14, 1903C.F. Laur, A.E. RobinsonSpeed Changing Mechanismmetal lathes
1,250,363Dec. 18, 1917W.L. SchellenbachInitial driving mechanismvertical boring mills
1,632,671Jun. 14, 1927R.A. NorlingReversing mechanism for electric drillshandheld drills
1,683,448Sep. 04, 1928C.M. ConradsonSelective Geared Head Lathemetalworking machine mechanisms
2,186,168Jan. 09, 1940W.L. Groene, W.F. GroeneFeed Mechanism for Lathesmetalworking machine mechanisms
2,199,834May 07, 1940W.L. Groene, W.F. GroeneFeed Mechanism for Lathesmetalworking machine mechanisms
2,281,921May 05, 1942F.W. CurtisTumble Change Gear Mechanismmilling machines
2,355,624Aug. 15, 1944F.H. Mussler, E.P. Bullard, IIITransmissionmetalworking machine mechanisms
2,387,417Oct. 23, 1945V.v. SundtLead Screw Gear Threading Boxmetalworking power transmission
2,395,433Feb. 26, 1946V.v. SundtApron Feed Change Mechanismmetalworking power transmission
2,573,152Oct. 30, 1951L.A. LeiferForward and Reverse Drive for Lathe Spindlesmetalworking machine mechanisms
2,682,182Jun. 29, 1954J.B. ArmitageMachine Toolmilling machines
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