Donald Philips Lewis

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Dundas, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling zebra mussels and other bivalv...
- Patent number 6,149,343
- Issue date Nov 21, 2000
- Trojan Technologies, Inc.
- Donald Philips Lewis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for controlling zebra and related mussels usin...
- Patent number 5,655,483
- Issue date Aug 12, 1997
- Aquatic Sciences Inc.
- Donald Philips Lewis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE