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Patents Granted on 1851-05-??
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,075May 06, 1851N. GoodyearImprovement in the Manufacture of India-Rubberpocket and protected cork extractors
8,080May 06, 1851J. GorrieImproved Process for the Artificial Production of Icerefrigeration apparatus
RE200May 13, 1851G.H. CorlissImprovements in Cut-Off and Working the Valves of Steam Engines steam engines
8,086May 13, 1851R. Bixby, C.S. Bixby, J. GarstPlaning-machinewood planers
8,098May 20, 1851G.W. BeardsleePlaning-machinewood planers
XC-323May 21, 1851C. ShattuckCross cutting machinecrosscut saws
8,113May 27, 1851G.W. PutnamVise-jaw for saw-filing machinerysaw sharpening machines
8,115May 27, 1851H. WatermanMachinery for hardening and straightening saws, &c.making sawblades
8,125May 27, 1851N. BarlowPlaning-machinewood planers
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