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Patents for G. H. Washburn
Patents 1 - 5 of 5
First set of recordsLast set of records
51,519Dec. 12, 1865J.B. ReedImproved Welt-Trimmercobbler
51,931Jan. 09, 1866S. DarlingInkstanddraftsman
54,731May 15, 1866L. HuntoonCompound Steam Enginesteam engines
54,816May 15, 1866G.N. GoodspeedImprovement in feeding mechanisms for sewing-machinessewing machines
54,820May 15, 1866A.G. PageImproved Pipe-Tongspipe tongs
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