Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D606442 | Hearts vow ring | Joo Young Chang | 2009-12-22 |
| D535208 | Korean christian verse ring | Joo Young Chang | 2007-01-16 |
| D533476 | Christian verse ring | — | 2006-12-12 |
| D532713 | Catholic verse ring | — | 2006-11-28 |
| D532331 | Korean catholic verse ring | Joo Young Chang | 2006-11-21 |