Assignee
No assignee recorded.
Inventors
- Unknown
- Seung-Won Yoo (7 patents)
- Unknown
- Unknown
- Unknown
- Yoon-Seok Lee (23 patents)
- Yoon Seok Song (10 patents)
- Ju-Cheol Lee (5 patents)
- Sang-Mi Oh (3 patents)
US Patent 6384212 · Granted May 7, 2002
No assignee recorded.