PH

Paul D. Hammesfahr

DD Dentsply Research And Development: 4 patents #1 of 35Top 3%
📍 Wyoming, DE: #1 of 1 inventorsTop 100%
🗺 Delaware: #19 of 591 inventorsTop 4%
Overall (2002): #13,161 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6500879 Dental composition and method Chin-Teh Huang, Kewang Lu, Mingxin Fan 2002-12-31
6391940 Method and composition for adhering to metal dental structure Gordon Blackwell, Kewang Lu, Chin-Teh Huang, Mingxin Fan, Xiuling Wang +1 more 2002-05-21
6387980 Dental composition system and method Kewang Lu 2002-05-14
6353040 Dental composite restorative material and method of restoring a tooth John Subelka, Steven R. Jefferies, Donald Kapperman, Paul A. Silver 2002-03-05