RC

Robert B. Callen

EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #3,846,532 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5098668 HF alkylation unit with acid evacuation system Saverio G. Greco, Ronald D. McGihon, Zay K. Risinger, Paul W. Snyder 1992-03-24