Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620841 | Porcelain fused to metal dental shade guide | Frank C. Farrell | 1986-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620841 | Porcelain fused to metal dental shade guide | Frank C. Farrell | 1986-11-04 |