Bonggwon JI

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hinge with variable sliding friction
- Patent number 10,228,732
- Issue date Mar 12, 2019
- Microsoft Technology Licensing, LLC
- Brett Andrew Tomky
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
HINGE WITH VARIABLE SLIDING FRICTION
- Publication number 20180335808
- Publication date Nov 22, 2018
- Microsoft Technology Licensing, LLC
- Brett Andrew TOMKY
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
MULTI-PIVOT HINGE
- Publication number 20160215541
- Publication date Jul 28, 2016
- Microsoft Technology Licensing, LLC
- Errol Mark TAZBAZ
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES