PH

Paul D. Hammesfahr

DD Dentsply Research And Development: 2 patents #1 of 11Top 10%
📍 Wyoming, DE: #1 of 1 inventorsTop 100%
🗺 Delaware: #69 of 579 inventorsTop 15%
Overall (2004): #46,971 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6783810 Reducing polymerization stress by controlled segmental curing Xiaoming Jin 2004-08-31
6696507 Dental composite restorative material and method of restoring a tooth John Subelka, Steven R. Jefferies, Donald Kapperman, Paul A. Silver 2004-02-24