Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887512 | Cooler for temperature sensitive items | Richard Olsen | 2014-11-18 |
| 7522322 | Apparatus for dental shade measurement | Douglass L. Blanding, Rongguang Liang, Edward J. Giorgianni | 2009-04-21 |
| 7127163 | Ring light guide | Junwon Lee, Rongguang Liang | 2006-10-24 |
| 7033172 | Dental positioning grid | Thomas P. Rock | 2006-04-25 |
| 5521957 | X-ray imaging system | — | 1996-05-28 |