Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556760 | Method and apparatus for manufacturing of beads for artificial pearls | Sang Min Rhee | 2009-07-07 |
| 7413772 | Method for coating thermoplastic resin beads for use in imitation pearls | Sang Min Rhee | 2008-08-19 |
| 6890379 | Coating compounds for imitation pearl | Sang Min Rhee | 2005-05-10 |