Arno Wolfger

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Grafenstein, AT

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Patents Grantslast 30 patents

Information Patent Grant
Toothbrush having a brush holder movable against spring force
- Patent number 5,901,397
- Issue date May 11, 1999
- U.S. Philips Corporation
- Peter Hafele
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental cleaning device and attachment for such a device
- Patent number 5,836,030
- Issue date Nov 17, 1998
- U.S. Philips Corporation
- Hendrik P. Hazeu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE