Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367002 | Dental composition and method | Paul D. Hammesfahr, Steven R. Jefferies | 1994-11-22 |
| 5338773 | Dental composition and method | Kewang Lu, Paul D. Hammesfahr | 1994-08-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367002 | Dental composition and method | Paul D. Hammesfahr, Steven R. Jefferies | 1994-11-22 |
| 5338773 | Dental composition and method | Kewang Lu, Paul D. Hammesfahr | 1994-08-16 |