Michael Hartmann

CC Cooper Cameron: 1 patents #2 of 28Top 8%

📍 Iserlohn, TX: #1 of 1 inventorsTop 100%

Overall (2003): #157,505 of 273,478Top 60%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6659181	Tubing hanger with annulus bore	—	2003-12-09