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Patents for John Greenwood
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
GB-182,505,074Jan. 11, 1825G. Sayner, J. GreenwoodSawing and Cutting Wood and Timber by Machinerycircular sawmills
24,458Jun. 21, 1859J. GreenwoodMachine for chamfering barrel-headscooper
46,661Mar. 07, 1865J. GreenwoodImprovement in machines for making heads to barrelscooper
70,393Nov. 05, 1867G.L. BentonImproved emery-wheels for grinding and polishing saws, &c.saw sharpening machines
79,651Jul. 07, 1868J. GreenwoodImprovement in machines for cutting stavescooper
127,478Jun. 04, 1872J. GreenwoodImprovement in machines for crozing and chamfering barrelscooper
145,942Dec. 30, 1873J. GreenwoodImprovement in machines for forcing hoops on barrelscooper
167,166Aug. 31, 1875J. GreenwoodImprovement in machines for chamfering and crozing barrelscooper
167,190Aug. 31, 1875J. Greenwood, J. Naylor, Jr.Improvement in machines for trussing and nailing barrelsbarrel making machines
RE7,093May 02, 1876J. GreenwoodImprovement in machines for crozing and chamfering barrelscooper
187,757Feb. 27, 1877J. Greenwood, J. HazardImprovement in machines for jointing stavesbarrel making machines
197,394Nov. 20, 1877P. Vollmar, J. Naylor, Jr.Improvement in stave-jointing machinesbarrel making machines
199,056Jan. 08, 1878J. GreenwoodHoop-making machinehoop making machines
199,057Jan. 08, 1878J. GreenwoodImprovement in machines for making stavescooper
199,058Jan. 08, 1878J. GreenwoodImprovement in barrel-hoop machineshoop making machines
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