Kenneth A. Walker

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Lutherville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for cleansing a filter bed
- Patent number 4,764,288
- Issue date Aug 16, 1988
- Environmental Elements Corp.
- Kenneth A. Walker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system of cleansing a filter bed
- Patent number 4,617,131
- Issue date Oct 14, 1986
- Environmental Elements Corp.
- Kenneth A. Walker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL