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Patents for Thomas M. Chapman
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,330Sep. 02, 1851T.M. ChapmanSaw-filing machinesaw sharpening machines
11,930Nov. 14, 1854T.M. ChapmanDevice for adjusting mill-sawsreciprocating sawmills
127,462Jun. 04, 1872T.M. ChapmanImprovement in saw-filing machinessaw sharpening machines
144,383Nov. 11, 1873T.M. ChapmanImprovement in saw-sharpening machinessaw sharpening machines
200,507Feb. 19, 1878T.M. ChapmanImprovement in stave-jointersbarrel making machines
273,817Mar. 13, 1883T.M. ChapmanFeed-roll for saw-millswoodworking machine stockfeeding mechanisms
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