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All Patents in class 33/23.11
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,282,473May 12, 1942J.A. HoffmannCopy character holdermetal engraving machines
2,766,003Oct. 09, 1956H. Fritschi, A.H. DallTracer Head Mechanismprofiling machines
2,777,201Jan. 15, 1957T.A. WetzelPattern Support and Adjustable Templatemilling machines
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