Jai Choon SIN

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Grip aid for golf club
- Patent number 9,662,552
- Issue date May 30, 2017
- Jai Choon Sin
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE COCKING PRACTICE DEVICE
- Publication number 20170348578
- Publication date Dec 7, 2017
- Jai Choon SIN
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
GRIP AID FOR GOLF CLUB
- Publication number 20160175669
- Publication date Jun 23, 2016
- Jai Choon SIN
- A63 - SPORTS GAMES AMUSEMENTS