John R. Frey

AM Amoco: 1 patents #71 of 265Top 30%

📍 Monterey Park, CA: #3 of 13 inventorsTop 25%

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #95,447 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4804458	Process for collecting vapor in ebullated bed reactors	Robert D. Buttke	1989-02-14