Mark W. Trevithick

HP Helmerich & Payne: 1 patents #3 of 8Top 40%

📍 Houston, TX: #277 of 1,190 inventorsTop 25%

🗺 Texas: #2,180 of 8,064 inventorsTop 30%

Overall (2005): #140,983 of 245,428Top 60%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6848515	Modular drilling rig substructure	Alan Orr	2005-02-01