DS

David C. Sheppeck

GP Global Tungsten & Powders: 2 patents #5 of 22Top 25%
OS Osram Sylvania: 1 patents #499 of 820Top 65%
📍 Sayre, PA: #49 of 90 inventorsTop 55%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,556,255 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8298666 Moisture resistant electroluminescent phosphor with high initial brightness and method of making Chen-Wen Fan, Tuan A. Dang, Joan M. Coveleskie, Frank A. Schwab, Dale E. Benjamin 2012-10-30
7833437 Moisture-resistant electroluminescent phosphor with high initial brightness and method of making Chen-Wen Fan, Tuan A. Dang, Joan M. Coveleskie, Frank A. Schwab, Dale E. Benjamin 2010-11-16
6022395 Method for increasing tap density of molybdenum powder Jeffrey A. Eckert, James N. Christini, Thomas R. Pinkowski 2000-02-08