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Houston E. Hill
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Oklahoma City, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for converting spent water-based drilling muds...
Patent number
7,444,780
Issue date
Nov 4, 2008
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method and apparatus for converting spent water-based drilling muds...
Patent number
7,322,152
Issue date
Jan 29, 2008
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method and apparatus for converting spent water-based drilling muds...
Patent number
7,272,912
Issue date
Sep 25, 2007
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for converting spent water-based drilling muds...
Publication number
20070214715
Publication date
Sep 20, 2007
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Method and apparatus for converting spent water-based drilling muds...
Publication number
20070107303
Publication date
May 17, 2007
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Method and apparatus for converting spent water-based drilling muds...
Publication number
20060191195
Publication date
Aug 31, 2006
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Method and apparatus for converting spent water-based drilling muds...
Publication number
20060185236
Publication date
Aug 24, 2006
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Method and apparatus for converting spent water-based drilling muds...
Publication number
20050039656
Publication date
Feb 24, 2005
Houston E. Hill
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING