Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 451/273
Patents 1 - 15 of 37
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
2,329Nov. 03, 1841T.J. CornellMachine for Dressing Granitestone cutting machines
45,679Dec. 27, 1864P. SchragImprovement in machines for sandpapering pencilssanding machines
98,850Jan. 18, 1870H. Harpin, J. CoulterStone Dressing Machinestone dressing machines
108,822Nov. 01, 1870J.S. Lane, J.H. PitkinMachine for Grinding and Polishing Metalpolishing and buffing machinery
178,398Jun. 06, 1876P. BarkerSandpapering-machinesanding machines
182,284Sep. 19, 1876J.L. OtisPlaner-knife grindertool grinders
238,366Mar. 01, 1881W.H. DoaneGrinding machinesharpening machines
RE9,847Aug. 23, 1881P. BarkerSandpapering-machinesanding machines
271,966Feb. 06, 1883C.V. WoerdApparatus for Grinding Lathe Cutterstool grinders
420,022Jan. 21, 1890W.F. SteinhoffGrinding-machinesharpening machines
427,477May 06, 1890J.H. LawlesMachine for Grinding Pearls Ivory Etcmaterial grinding machines
465,478Dec. 22, 1891A. JohnstonGrinding Machinesharpening apparatus
504,000Aug. 29, 1893M.M. Aust, C.P. ThielMachine for Grinding Thread Cutting Toolstool grinders
507,634Oct. 31, 1893S.C. RogersKnife-grindersharpening machines
614,247Nov. 15, 1898H. Goldsmith, E.T. GoodhewGrinding Machinetool grinders
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP