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Patents for John Pollitt
Patents 1 - 6 of 6
First set of recordsLast set of records
105,910Aug. 02, 1870W.M. ChochranImprovement in sawing-machine
105,912Aug. 02, 1870N.T. CoffinImprovement in machine for securing sheet-metal lining in pump-stocks
105,930Aug. 02, 1870V. FolandImprovement in traversing machinehuman powered machines
113,144Mar. 28, 1871N.T. CoffinImprovement in pumps
144,092Oct. 28, 1873H.C. HartImprovement in saw setssaw sets
148,065Mar. 03, 1874E. HortonImprovement in Caliperscalipers
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