Ronald L. Edwards

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Wausau, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatically controlled splash plate
- Patent number 5,084,163
- Issue date Jan 28, 1992
- Zimpro Passavant Environmental Systems, Inc.
- Thomas L. Baumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Automatic chemical cleaning of granular medium filters
- Patent number 4,983,308
- Issue date Jan 8, 1991
- Zimpro/Passavant Inc.
- Ronald L. Edwards
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL