Wan Seob Song

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming a hairline finish
- Patent number 12,128,521
- Issue date Oct 29, 2024
- Jae Sang Hwang
- B24 - GRINDING POLISHING
Information Patent Grant
Hand-held cathode structure and electrolytic-polishing apparatus in...
- Patent number 11,332,846
- Issue date May 17, 2022
- Jae Sang Hwang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HAND-HELD CATHODE STRUCTURE AND ELECTROLYTIC-POLISHING APPARATUS IN...
- Publication number 20210277536
- Publication date Sep 9, 2021
- Jae Sang HWANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
APPARATUS FOR FORMING A HAIRLINE FINISH
- Publication number 20210146496
- Publication date May 20, 2021
- Jae Sang Hwang
- B24 - GRINDING POLISHING