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Patents for William D. Washington
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,738Sep. 25, 1849H. KnowlesCaul for veneersveneer machines
6,858Nov. 06, 1849J.B. Woodruff, B.M. TownsendFile-supportersaw sharpening machines
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