David D. Williams

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Claremore, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of wastewater flow measurement, system analysis, and improve...
- Patent number 8,447,533
- Issue date May 21, 2013
- Eastech Flow Controls, Inc.
- Franklin Sinclair
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Flow measurement apparatus and method
- Patent number 7,721,600
- Issue date May 25, 2010
- Eastech Flow Controls, Inc.
- Franklin Sinclair
- G01 - MEASURING TESTING