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Patents Granted on 1943-01-26
Patents 1 - 3 of 3
First set of recordsLast set of records
2,309,241Jan. 26, 1943F.W. CurtisDividing Headindexers and dividers
2,309,298Jan. 26, 1943C.A. BickelTaper Attachment Constructionmetal lathe accessories
2,309,299Jan. 26, 1943C.A. BickelMethod of and Apparatus for Correcting the Lead Error of Screw Threadsscrewcutting lathes
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