DB

Douglas D. Bennett

DD Dentsply Research And Development: 4 patents #23 of 167Top 15%
🗺 Maryland: #8,004 of 35,612 inventorsTop 25%
Overall (All Time): #1,300,799 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4892481 Dental composite carrier and composite package Thomas V. Kopunek 1990-01-09
4767325 Dental composite carrier and composite package Thomas V. Kopunek 1988-08-30
4767326 Cartridge container and ejector piston therefor Earl C. Francis 1988-08-30
4659327 Multiple dosage syringe Richard E. Welsh, Paul D. Hammesfahr, Earl C. Francis, Thomas V. Kopunek 1987-04-21