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All Patents in class 83/435.16
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
99,237Jan. 25, 1870C.F. RiceImprovement in shingle-machinesshingle machines
178,992Jun. 20, 1876P.D. BurgherImprovement in shingle-machinesshingle machines
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