ZHENGZHOU ZEZHENG TECHNICAL SERVICES LTD.

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dental drill head
- Patent number 10,064,698
- Issue date Sep 4, 2018
- ZHENGZHOU ZEZHENG TECHNICAL SERVICES LTD.
- Chun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Turbine dental drill mechanism and turbine head with same mounted t...
- Patent number 10,058,398
- Issue date Aug 28, 2018
- ZHENGZHOU ZEZHENG TECHNICAL SERVICES LTD.
- Xiaoxia Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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Patents Applicationslast 30 patents

Information Patent Application
KIRSCHNER WIRE BENDING DEVICE
- Publication number 20170340373
- Publication date Nov 30, 2017
- ZHENGZHOU ZEZHENG TECHNICAL SERVICES LTD.
- Weixing ZHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TURBINE DENTAL DRILL MECHANISM AND TURBINE HEAD WITH SAME MOUNTED T...
- Publication number 20150064649
- Publication date Mar 5, 2015
- Zhengzhou Zezheng Technical Services Ltd.
- Xiaoxia Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DENTAL DRILL HEAD
- Publication number 20140038123
- Publication date Feb 6, 2014
- ZHENGZHOU ZEZHENG TECHNICAL SERVICES LTD.
- Chun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE