William Randall Crawford, III

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Long Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cleaning percolation basins
- Patent number 7,875,123
- Issue date Jan 25, 2011
- William Randall Crawford, III
- B08 - CLEANING
Information Patent Grant
Method and apparatus for remediation and prevention of fouling of r...
- Patent number 6,863,807
- Issue date Mar 8, 2005
- William Randall Crawford, III
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...