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Patents for Henry Manthey
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  1,192,793Jul. 25, 1916H. MantheyClutch
  1,287,380Dec. 10, 1918H. MantheyCharge Forming Device for Internal Combustion Engine
  1,303,703May 13, 1919H. MantheyCharge Forming Device for Internal Combustion Engine
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