GeungDug JANG

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Gyeongsangbukdo, KR

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Patents Grantslast 30 patents

Information Patent Grant
Sail device
- Patent number 11,473,557
- Issue date Oct 18, 2022
- GeungDug Jang
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Sail Device
- Publication number 20220003205
- Publication date Jan 6, 2022
- EDONA INC.
- GeungDug JANG
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...