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Patents for Horace Mann
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  848,193Mar. 26, 1907H. Mann, M. MortonScribing Device
  893,532Jul. 14, 1908H. Mann, M. MortonScribing Mechanism
  991,347May 02, 1911H. Mann, H.E. MortonWork Holder for Shapers
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