DS

Douglas Allen Schafer

HS Halliburton Energy Services: 2 patents #2,138 of 4,711Top 50%
📍 Euless, TX: #110 of 280 inventorsTop 40%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,002,860 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9297232 Reclosable multi zone isolation tool and method for use thereof Keith Wayne Scott, William David Henderson 2016-03-29
8757275 Reclosable multi zone isolation tool and method for use thereof Keith Wayne Scott, William David Henderson 2014-06-24