David R. Spedden

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Fort Meade, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Column flotation cell for enhanced recovery of minerals such as pho...
- Patent number 8,231,008
- Issue date Jul 31, 2012
- MOS Holdings Inc.
- Stanley A. Patterson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Column flotation cell for enhanced recovery of minerals such as pho...
- Patent number 7,510,083
- Issue date Mar 31, 2009
- The Mosaic Company
- Stanley A. Patterson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
COLUMN FLOTATION CELL FOR ENHANCED RECOVERY OF MINERALS SUCH AS PHO...
- Publication number 20090145821
- Publication date Jun 11, 2009
- Stanley A. Patterson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Column flotation cell for enhanced recovery of minerals such as pho...
- Publication number 20050284818
- Publication date Dec 29, 2005
- Stanley A. Patterson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE