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Summary

Patent for a wood pulp grinding machine for paper making, patented by Ashley B. Tower and Joseph H. Wallace in 1899.

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patents patent drawings us patent office d h a b tower patents from the united states pulp and paper industry high resolution inventions
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Date

07/03/1899
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Source

USPTO
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Link

http://uspto.gov/
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Copyright info

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label_outline Explore Pulp And Paper Industry, Patents From The United States

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patents patent drawings us patent office d h a b tower patents from the united states pulp and paper industry high resolution inventions