TC

Tong M. Chang

GC Goldstar Co.: 1 patents #307 of 863Top 40%
📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #3,710,461 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5604650 Rotary head drum having head-affixing, transformer-affixing, and bearing-engaging surfaces lying in the same plane Kyung Soo Suh 1997-02-18