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Patents for Charles W. Hubbard
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
27,221Feb. 21, 1860C.W. HubbardMachine for grinding and polishing sawssaw sharpening machines
79,979Jul. 14, 1868C.W. HubbardImprovement in Saw Handlessaw handles
118,264Aug. 22, 1871G. Palmer, C.W. HubbardImprovement in the methods of manufacturing axestool making machines
141,225Jul. 29, 1873C.W. HubbardImprovement in saw-bucklesreciprocating sawmills
209,810Nov. 12, 1878C.W. HubbardImprovement in sawssawblades
RE9,657Apr. 12, 1881C.W. HubbardSawsawblades
245,831Aug. 16, 1881C.W. HubbardSaw-toothinsertable saw teeth
D20,771May 26, 1891C.W. HubbardDesign for an Axaxes
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