RA

Robert W. Arfele

HS Halliburton Energy Services: 15 patents #434 of 4,711Top 10%
DI Dresser Industries: 12 patents #3 of 787Top 1%
📍 Conroe, TX: #30 of 788 inventorsTop 4%
🗺 Texas: #4,546 of 125,132 inventorsTop 4%
Overall (All Time): #140,465 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
D403336 Five blade drill bit George A. Espiritu, Ed Martin 1998-12-29
D403003 Nine blade drill bit George A. Espiritu, Ed Martin 1998-12-22