PR

Philip J. Ruhoff

VA Valspar: 5 patents #3 of 57Top 6%
TS The Sherwin-Williams: 2 patents #144 of 458Top 35%
Overall (All Time): #740,128 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10421872 Stain resistant coating composition Tom Wendland, Richard Randall Chamberlain 2019-09-24
8637609 Blends of acrylic latices and polyurethane dispersions for coatings Pillai T. Perumal 2014-01-28
5096959 Hydrolysis resistant alkyl resin coating composition Lonnie Jones, Donald W. Boespflug 1992-03-17
5082922 Modified-acrylate polymers and coating compositions made therefrom Larry B. Brandenburger 1992-01-21
4981887 Cationic electrodeposition compositions for producing chip-resistant films Rodney W. Stockstad, James A. Prevost, Larry B. Brandenburger, Robert B. Edenborg 1991-01-01
4914139 Modified alkyd cationic electrodeposition compositions for producing chip-resistant films Rodney W. Stockstad, James A. Prevost, Larry B. Brandenburger, Robert B. Edenborg 1990-04-03
4511692 Cationic electrodeposition composition Jeffrey L. Anderson, Robert B. Edenborg 1985-04-16