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Patent number:
Patent Date:
Patents Granted on 1851-10-21
Patents 1 - 2 of 2
Number
Date
Patentee
Title
Type
8,456
Oct. 21, 1851
T.J. Sloan
Making Screws
material cutting machines
8,457
Oct. 21, 1851
G.C. Taft
Box opener
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