DB

Dale E. Benjamin

OS Osram Sylvania: 8 patents #107 of 820Top 15%
GP Global Tungsten & Powders: 3 patents #1 of 22Top 5%
Overall (All Time): #386,102 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

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, David C. Sheppeck 2012-10-30
7989064 Ceramic-coated tungsten powder Hans-Joachim Lunk, Ricky D. Morgan, Henry J. Stevens, Tuan A. Dang, Timothy A. Frisk 2011-08-02
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, David C. Sheppeck 2010-11-16
6918963 Method and apparatus for coating electroluminescent phosphors Chen-Wen Fan 2005-07-19
6849297 Encapsulated long life electroluminescent phosphor Chen-Wen Fan, Kenneth T. Reilly, Richard G. W. Gingerich 2005-02-01
6733826 Method and apparatus for coating electroluminescent phosphors Chen-Wen Fan 2004-05-11
6686043 Method for making long-life electroluminescent phosphor Chen-Wen Fan, Richard G. W. Gingerich 2004-02-03
6426115 Method for making high-efficacy and long life electroluminescent phosphor Chen-Wen Fan, Richard G. W. Gingerich 2002-07-30
6361864 Method for making high-efficacy and long life electroluminescent phophor Chen-Wen Fan, Richard G. W. Gingerich 2002-03-26
6309700 Method of making long life electroluminescent phosphor Chen-Wen Fan, Richard G. W. Gingerich, Tuan A. Dang 2001-10-30
5985175 Boron oxide coated phosphor and method of making same Chen-Wen Fan, Franz Kummer, Charles F. Chenot, Richard G. W. Gingerich 1999-11-16
5258201 Method of forming a partial coating on phosphor particles by coating the phosphors in a fluidize bed for a limited time and subsequently annealing to promote ionic diffusion Robin W. Munn, Deborah V. Lutz 1993-11-02
4979830 Method for fluidized bed circulation control Robin W. Munn, A. Gary Sigai, Silvia E. Lichtensteiger 1990-12-25