Peggy I. Alderson

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Robards, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Equipment for use in the extraction of placer gold from gravel and...
- Patent number 9,132,431
- Issue date Sep 15, 2015
- Larry Allen Alderson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Removable support legs for use with gold prospecting sluice
- Patent number 8,616,379
- Issue date Dec 31, 2013
- Larry Allen Alderson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
Removable support legs for use with gold prospecting sluice
- Publication number 20110186486
- Publication date Aug 4, 2011
- Larry Allen Alderson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Equipment for use in the extraction of placer gold from gravel and...
- Publication number 20100193406
- Publication date Aug 5, 2010
- Larry Allen Alderson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...