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Patents for James E. Underwood
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
179,628Jul. 04, 1876J.E. UnderwoodWrench
  186,965Feb. 06, 1877J.E. Underwood, F.H. UnderwoodImprovement in belting
219,606Sep. 16, 1879J.E. Underwood, F.H. UnderwoodImprovement in belting
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