NP

Norm D. Pugh

SL Shell Canada Limited: 2 patents #1 of 9Top 15%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Overall (All Time): #1,225,522 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE44080 Sulfur additives for paving binders and manufacturing methods William R. Bailey 2013-03-19
6863724 Sulfur additives for paving binders and manufacturing methods William R. Bailey 2005-03-08
6824600 Paving binders and manufacturing methods William R. Bailey, William C. McBee 2004-11-30
6440205 Paving binders and manufacturing methods William R. Bailey, William C. McBee 2002-08-27