Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7034263 | Apparatus and method for inductive heating | — | 2006-04-25 |
| 6726790 | Frictionally welded thermoplastic articles having improved strength | Chul-Sub Lee | 2004-04-27 |
| 6705268 | Engine noise barrier | Emile Homsi, Thomas J. Krolick, Chul-Sub Lee, Peter K. Han | 2004-03-16 |
| 6447866 | Frictionally welded thermoplastic articles having improved strength | Chul-Sub Lee | 2002-09-10 |
| 6193133 | Method and articles for evaluating welded joints | Chul-Sub Lee | 2001-02-27 |