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Patent drawing - Albert Baldwin Wood01 - . Public domain image

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Summary

Diagram of Patent 1,345,655 Wood Screw Pump from US Patent Office. Image to be used in A. Baldwin Wood and Wood Screw Pump. Image from Patent Office website

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patents patent drawings us patent office a baldwin wood united states patent drawings diagram high resolution inventions
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Date

06/07/1920
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Source

USPTO
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Link

http://uspto.gov/
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public domain

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patents patent drawings us patent office a baldwin wood united states patent drawings diagram high resolution inventions