John Hoppes

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Waterloo, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Whitening tip for dental flossing device
- Patent number 7,198,487
- Issue date Apr 3, 2007
- Water Pik, Inc.
- Harold A. Luettgen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Whitening tip for dental flossing device
- Publication number 20040202981
- Publication date Oct 14, 2004
- Harold A. Luettgen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE