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Patents for Henry Manthey
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,192,793Jul. 25, 1916H. MantheyClutchharvesters
1,287,380Dec. 10, 1918H. MantheyCharge Forming Device for Internal Combustion Enginecarburetors
1,303,703May 13, 1919H. MantheyCharge Forming Device for Internal Combustion Enginecarburetors
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