DH

David A. Howell

EX ExxonMobil: 1 patents #328 of 854Top 40%
Overall (2016): #426,818 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Patent #TitleCo-InventorsDate
9303485 Wellbore apparatus and methods for zonal isolations and flow control Michael T. Hecker, Michael D. Barry, Petrus A. J. Stevens, Charles S. Yeh, Iain MacLeod +3 more 2016-04-05