PH

Paul D. Hammesfahr

DD Dentsply Research And Development: 23 patents #1 of 167Top 1%
DI Dentsply International: 10 patents #6 of 235Top 3%
CE Ceramco: 1 patents #3 of 10Top 30%
DS Dentsply Sirona: 1 patents #179 of 352Top 55%
📍 Wyoming, DE: #1 of 11 inventorsTop 10%
🗺 Delaware: #167 of 7,163 inventorsTop 3%
Overall (All Time): #98,742 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5710194 Dental compounds, compositions, products and methods Kewang Lu, Paul A. Silver 1998-01-20
5554028 Dental impression taking Robert V. Hare 1996-09-10
5367002 Dental composition and method Chin-Teh Huang, Steven R. Jefferies 1994-11-22
5338773 Dental composition and method Kewang Lu, Chin-Teh Huang 1994-08-16
5304586 Radiopaque fluoride releasing VLC dental composites and the use of specific fillers therein Paul S. Danielson, Robert Campbell 1994-04-19
5177120 Chain extended urethane diacrylate and dental impression formation Pamela H. Hare 1993-01-05
4867680 Pre-loaded dental impression package and method of making Pamela H. Hare, Robert V. Hare 1989-09-19
4867682 Dental impression tray Steven R. Jefferies, Ronald L. Sitzema, Jr. 1989-09-19
4776704 Mixing and dispensing syringe Thomas V. Kopunek, Richard E. Welsh 1988-10-11
4659327 Multiple dosage syringe Douglas D. Bennett, Richard E. Welsh, Earl C. Francis, Thomas V. Kopunek 1987-04-21