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Patents for Alfred H. Hildreth
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
667,080Jan. 29, 1901B. GallagherDrilling-machine
686,891Nov. 19, 1901W.A. DunbarCenter Square
692,844Feb. 11, 1902B. GallagherLast-trimming machine
717,670Jan. 06, 1903B. GallagherMachine for washing bottles or similar articles
734,838Jul. 28, 1903J. EdgarChange-feed mechanism
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