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Patents for N. T. Spear
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  20,849Jul. 06, 1858L.A. GroverMachine for Husking Corn
  21,522Sep. 14, 1858N.T. SpearCorn Husker
  27,841Apr. 10, 1860N.T. SpearMachine for Husking Corn
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