DG

Darin Grassmann

OL Oil States Energy Services, L.L.C.: 3 patents #11 of 23Top 50%
📍 Piedmont, OK: #5 of 28 inventorsTop 20%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,406,068 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11214455 Extendable spool Bob McGuire, Danny Lee Artherholt, Mickey Claxton, Blake Mullins 2022-01-04
11168528 Universal atmospheric deployment device Bob McGuire, Danny Lee Artherholt, Mickey Claxton, Blake Mullins, Jimmy Livingston 2021-11-09
10309564 Extendable spool Bob McGuire, Danny Lee Artherholt, Mickey Claxton, Blake Mullins 2019-06-04