DM

Duncan Charles MacDonald

Shell Oil Compny: 2 patents #28 of 278Top 15%
📍 Houston, TX: #325 of 2,278 inventorsTop 15%
🗺 Texas: #2,523 of 14,752 inventorsTop 20%
Overall (2016): #146,226 of 481,213Top 35%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9528322 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations 2016-12-27
9470052 Methods and systems for drilling David Alston Edbury, Jose Victor Guerrero, James Bryon Rogers, Donald Ray Sitton, Jason Norman 2016-10-18