Philip DeVries

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Holland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for verifying ultraviolet sterilization
- Patent number 6,475,433
- Issue date Nov 5, 2002
- EBW Electronics, Inc.
- Gram J. McGeorge
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for verifying ultraviolent sterilization
- Publication number 20010048891
- Publication date Dec 6, 2001
- Gram J. McGeorge
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE