Frederick W. Obernolte, Jr.

MO Marathon Oil: 1 patents #72 of 204Top 40%

📍 Franktown, CO: #25 of 40 inventorsTop 65%

🗺 Colorado: #24,093 of 40,980 inventorsTop 60%

Overall (All Time): #3,872,734 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5002431	Method of forming a horizontal contamination barrier	Michael J. Heymans	1991-03-26