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Patents Granted on 1872-04-09
Patents 1 - 15 of 20
First set of recordsNext set of recordsLast set of records
125,380Apr. 09, 1872H. CollinsonAdjustable Tube or Pipe Cutter
125,385Apr. 09, 1872J. Elliott, J.F. WoodImprovement in composition-stones for smut-machines
125,388Apr. 09, 1872J.P. GrosvenorImprovement in loose pulleysindustrial machine pulleys and belt drive mechanisms
125,390Apr. 09, 1872J.A. HenshawImprovement in cements for artificial stones
125,392Apr. 09, 1872W.W. HoltCorn Shellermiller
125,403Apr. 09, 1872J.E. MitchellImprovement in tools for turning stonemill stone dressers
125,433Apr. 09, 1872W.T. Farre, W.H. BarwickImprovement in Pipe Vises
125,434Apr. 09, 1872M.E. Worbell, W. BattellImprovement in Grinding Machinesgrinding machines
125,440Apr. 09, 1872L.R. Clark, J.C. SmithImprovement in machinery for jointing stavesbarrel making machines
125,457Apr. 09, 1872A.D. SherarImprovement in cutter-headscutterheads
125,571Apr. 09, 1872J.W. Hyatt, Jr.Improvement in Metal Turning Lathesmetal lathes
125,617Apr. 09, 1872H. Fairbanks, I.J. RobinsonImprovement in Carpenters' Adjustable Bevelstry squares
125,618Apr. 09, 1872E.A. RowleyImprovement in cutter-headscutterheads
125,625Apr. 09, 1872A.P. StephensImprovement in visesbench vises
125,642Apr. 09, 1872C. WhitusImprovement in bit-bracesbraces
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