Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604059 | Dental compositions, fired dental porcelains and processes for making and using same | Warren Herbstman, Jairo Lopez | 1986-08-05 |
| 4268308 | Dental alloys | Pei Sung, James Lee-You | 1981-05-19 |