Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581337 | Expandable shoe having screw drive assemblies | Harry Miller, Kwong Dong Chil | 2009-09-01 |
| 7287294 | Method of making an expandable shoe | Harry Miller, Kwong Dong Chil | 2007-10-30 |
| 7137212 | Expandable shoe and shoe assemblies | Harry Miller, Kwong Dong Chil | 2006-11-21 |
| 7080468 | Expandable shoe and shoe assemblies | Harry Miller, Kwong Dong Chil | 2006-07-25 |
| 6883254 | Expandable shoe and shoe assemblies | Harry Miller, Kwon Dong Chil | 2005-04-26 |
| 6807754 | Expandable shoe and shoe assemblies | Harry Miller, Kwon Dong Chil | 2004-10-26 |
| 6574888 | Expandable shoe and shoe assemblies | Harry Miller, Kwon Dong Chil | 2003-06-10 |