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Patents for F. H. Hale Jr.
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
11,123Jun. 20, 1854C.S. HarrisImprovement in producing continuous circular from reciprocating rectilinear motion
86,285Jan. 26, 1869C.F. DeanImprovement in barrel hoop loosener and nail extractor
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