George W. Wall

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Patents Grantslast 30 patents

Information Patent Grant
Pressure filters
- Patent number 4,789,471
- Issue date Dec 6, 1988
- George W. Wall
- B30 - PRESSES
Information Patent Grant
Tube pressure filter
- Patent number 4,514,298
- Issue date Apr 30, 1985
- English Clays Lovering Pochin & Company, Ltd.
- George W. Wall
- B30 - PRESSES
Information Patent Grant
Tube pressure filter
- Patent number 4,507,201
- Issue date Mar 26, 1985
- English Clays Lovering Pochin & Company, Ltd.
- George W. Wall
- B30 - PRESSES