DD

Douglas Ward Donigian

MT Minerals Technologies: 1 patents #19 of 36Top 55%
WE Westvaco: 1 patents #184 of 364Top 55%
📍 Baltimore, MD: #1,274 of 4,923 inventorsTop 30%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,640,041 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5783038 Ink jet recording paper incorporating novel precipitated calcium carbonate pigment Robert Kenneth Resnik, Michael Gregory McFadden 1998-07-21
5643631 Ink jet recording paper incorporating novel precipitated calcium carbonate pigment Robert Kenneth Resnik, Michael Gregory McFadden 1997-07-01
5505820 Method for providing enhanced smoothness for a paper web Suzanne S. Fenton, Bryan J. Ortman, Hiawatha P. Watkins 1996-04-09