Zhaohui Ren

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Marker with a bone shaped magnetic core
- Patent number 9,711,019
- Issue date Jul 18, 2017
- Tyco Fire & Security GmbH
- Zhaohui Ren
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
MARKER WITH A BONE SHAPED MAGNETIC CORE
- Publication number 20160321893
- Publication date Nov 3, 2016
- TYCO FIRE & SECURITY GMBH
- Zhaohui Ren
- G08 - SIGNALLING