Hans-Michael Kratochwilla

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Bensheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water supply device for dental work stations
- Patent number 5,295,829
- Issue date Mar 22, 1994
- Siemens Aktiengesellschaft
- Hans-Peter Frey
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Control valve device for a dental device
- Patent number 4,801,265
- Issue date Jan 31, 1989
- Siemens Aktiengesellschaft
- Hans-Michael Kratochwilla
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Spitting device for dental purposes
- Patent number 4,470,163
- Issue date Sep 11, 1984
- Siemens Aktiengesellschaft
- Hans M. Kratochwilla
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydraulic-pneumatic control device for controlling the flow of agen...
- Patent number 4,136,450
- Issue date Jan 30, 1979
- Siemens Aktiengesellschaft
- Werner Guenther
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE