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All Patents in class 279/64
Patents 1 - 15 of 15
First set of recordsLast set of records
46,747Mar. 07, 1865T.H. WorrallCentering Chuckdrill press chucks
48,612Jul. 04, 1865T.H. WorrallSelf Centering or Holderdrill press chucks
50,329Oct. 10, 1865T. BrooksCentering Chuckdrill press chucks
150,672May 12, 1874G.D. BelcherImprovement in drill-chucksdrill chucks
234,109Nov. 02, 1880J.W. BurkholderHand-drilleggbeater drills
262,771Aug. 15, 1882J.H. HoagueDrill-chuckdrill chucks
356,616Jan. 25, 1887C.L. ButlerDrill-chuckdrill chucks
381,857Apr. 24, 1888J.N. SkinnerDrill Chuckdrill press chucks
438,135Oct. 14, 1890N.E. AustinLathe Chuckmetal lathe chucks
457,392Aug. 11, 1891N.E. AustinChuckmetal lathe chucks
1,159,344Nov. 02, 1915H.E. Van NessDrill Chuckdrill press chucks
1,251,558Jan. 01, 1918A.P. MorrowChuckdrill chucks
1,471,271Oct. 16, 1923C.B. LongDrill chuckdrilling and boring
1,606,972Nov. 16, 1926H. NielsenChuckdrill press chucks
1,775,994Sep. 16, 1930G.W. EmrickDrill chuckdrill press chucks
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