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All Patents in class 74/424.71
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
253,266Feb. 07, 1882S. DarlingScrew Nutnut or bolt making machines
255,011Mar. 14, 1882A.W. NortonLathebacking off attachments
2,703,498Mar. 08, 1955C. TreeRemovable Feed Nut for the Cross-Feed Apparatus of Milling Machinesmilling machines
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