Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817116 | Expandable shoe and shoe assemblies | Kwon Dong Chil | 2004-11-16 |
| 6807754 | Expandable shoe and shoe assemblies | Byong M. Shin, Kwon Dong Chil | 2004-10-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817116 | Expandable shoe and shoe assemblies | Kwon Dong Chil | 2004-11-16 |
| 6807754 | Expandable shoe and shoe assemblies | Byong M. Shin, Kwon Dong Chil | 2004-10-26 |