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Patents for Harry H. Bridenthal
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
212,889Mar. 04, 1879H.H. BridenthalRoad Enginesteam traction engines
252,720Jan. 24, 1882H.H. BridenthalRoad Enginesteam traction engines
351,733Nov. 02, 1886H.H. BridenthalRoad Enginesteam traction engines
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