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Patents for Charles May
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  GB-184,410,358Oct. 22, 1844J. Nasmyth, C. MayWorking atmospheric railways; machinery for constructing the apparatus employed therein
1,460,837Jul. 03, 1923F. May, A. BangertWrench
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