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All Patents of Type: paper making machines
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,364XFeb. 07, 1829J.W. CooperMode of making white paper from rags, of cotton, linen, or silk of extracting all kinds of mineral colors rendering them white and completely bleached, and of bleaching and whitening straw and corn husks, so that white paper can be made therefrom...paper making machines
5,461XApr. 18, 1829I. SandersonCylinder paper machine for paper makingpaper making machines
5,481XMay 04, 1829R. FairchildAgitator used in paper makingpaper making machines
NX-5,844Feb. 23, 1830T. Blank, E.H. BlankPaper Makingpaper making machines
NX-5,850Feb. 27, 1830W. MagawPaper Makingpaper making machines
8,036XFeb. 28, 1834J. TrumanPaper makingpaper making machines
202,097Apr. 09, 1878W.A. DoaneImprovement in machines for making paper-pulp from woodpaper making machines
2,161,989Jun. 13, 1939D.M. WaterousScreening paper pulppaper making machines
3,081,821Mar. 19, 1963A.R. HamiltonCylinder moldpaper making machines
3,606,177Sep. 20, 1971J.J. Denovan, D.K. AlexanderWood pulp grinderwood grinding machines
3,690,568Sep. 12, 1972D.K. AlexanderWood grindingwood grinding machines
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