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All Patents in class 474/165
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
158,923Jan. 19, 1875R.R. DoanRoad Enginessteam road engines
760,908May 24, 1904P. MullenHoisting mechanismhoists, winches, come-alongs
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