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All Patents in class 409/273
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,024,254Dec. 17, 1935E.G. Roehm, M. RomaineBroaching Machinebroaching machines
2,049,623Aug. 04, 1936E.G. RoehmBroaching Machinebroaching machines
2,203,798Jun. 11, 1940M. RomaineBroaching Machinebroaching machines
2,280,229Apr. 21, 1942H.J. Siekmann, W.F. GroeneMultiple Spindle Broaching Lathecrankshaft lathes
2,280,230Apr. 21, 1942W.L. GroeneCrankshaft Broaching Lathemetalworking machine mechanisms
2,290,590Jul. 21, 1942W. Trible, A.H. Hawley, Sr.Indexing Mechanismindexers and dividers
2,308,689Jan. 19, 1943E.D. Vancil, A.H. Hawley, Sr.Broaching Machinebroaching machines
2,838,980Jun. 17, 1958W.F. BabcockContinuous broaching machinesbroaching machines
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