Donald L. Crawford

HS Halliburton Energy Services: 1 patents #125 of 378Top 35%

📍 Spring, TX: #57 of 210 inventorsTop 30%

🗺 Texas: #3,688 of 11,512 inventorsTop 35%

Overall (2011): #314,460 of 364,097Top 90%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7980309	Method for selective activation of downhole devices in a tool string	—	2011-07-19