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All Patents in class 451/401
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
763,315Jun. 21, 1904J.M. NashMachine for reducing wood or other material
1,203,844Nov. 07, 1916A.C. Page, C. BoothGrinding Machinegrinding machines
1,628,618May 10, 1927H.K. SpencerMeans For Handling Articlesgrinding attachments
1,632,600Jun. 14, 1927F.O. HoaglandInternal Grinding Machineinternal grinders
1,732,119Oct. 15, 1929A.L. BrownAutomatic combined turning lathe and sander for woodworkpattern lathes
1,753,590Apr. 08, 1930F.K. BenedictWorkholder for bar-grinding machines
2,138,264Nov. 29, 1938A.L. WarnerWork holder for mower sections
2,604,740Jul. 29, 1952H.C. PerkinsMachine for yieldably presenting work to buffing or polishing wheels or belts
2,622,375Dec. 23, 1952W. Trible, F.S. HaasGrinding Machinesurface grinders
2,636,321Apr. 28, 1953J.C. WilsonMachine toolgrinders
2,649,668Aug. 25, 1953H.C. Perkins, C.A. ZinnRotary turret for multiple spindle polishing and buffing machines
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