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Patents for John W. Cooper
Patents 1 - 2 of 2
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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
256,979Apr. 25, 1882J.W. CooperWasher Cutter and Adjustable Bitwasher cutters
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