Christian Putnam Cosby

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Lewiston, ID, US

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Patents Applicationslast 30 patents

Information Patent Application
Gold pan with porous agitator/classifier
- Publication number 20170036216
- Publication date Feb 9, 2017
- Christian Putnam Cosby
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...