Roger G. Shields

AM Amoco: 1 patents #610 of 1,251Top 50%

📍 Okotoks, CA: #45 of 82 inventorsTop 55%

Overall (All Time): #3,881,709 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5035291	Seafloor drilling apparatus	—	1991-07-30