Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255085 | Timing cover for engine | — | 2007-08-14 |
| 6627030 | Variable lamination manufacturing (VLM) process and apparatus | Dong Yol Yang, Dong-Gyu Ahn, Sang Ho Lee | 2003-09-30 |
| 6505089 | Method for manufacturing a three-dimensional model by variable deposition and apparatus used therein | Dong Yol Yang, Jun-Ho Jeong | 2003-01-07 |