RB

Robert Bruce

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
DO Domtar: 1 patents #30 of 68Top 45%
UG United States Gypsum: 1 patents #247 of 432Top 60%
Overall (All Time): #518,507 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8282731 Calcium sulfate hemihydrate treatment process Mark Richard Flumiani, Charles E. Blow 2012-10-09
7824490 Calcium sulfate hemihydrate treatment process Mark Richard Flumiani, Charles E. Blow 2010-11-02
7695561 Alpha-type calcium sulfate hemihydrate compositions Danny Cox 2010-04-13
7335254 Alpha-type calcium sulfate hemihydrate compositions and methods of making same Danny Cox 2008-02-26
6964704 Calcium sulphate-based composition and methods of making same Danny Cox 2005-11-15
6800361 Gypsum board having improved flexibility, toughness, abuse resistance, water resistance and fire resistance Ashok H. Shah 2004-10-05
6703331 Fungus resistant gypsum-based substrate David M. Harriss 2004-03-09
6485821 Gypsum-based construction material David M. Harriss 2002-11-26
5116671 Gypsum board Dimitrios Mitakidis 1992-05-26
4403006 Sag-resistant gypsum board containing coal fly ash and method for making same Richard A. Kuntze 1983-09-06