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Patents for Biddle Mfg. Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
46,123Jan. 31, 1865W. LyonImprovement in drilling-machines
142,886Sep. 16, 1873W. BakerImprovement in pruning-shears
142,926Sep. 16, 1873W. LyonImprovement in Combined Punching and Shearing Machines
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