FH

Frances Hellman

AL American Telephone & Telegraph Co., At&T Bell Labs.: 1 patents #1 of 7Top 15%
📍 Berkeley, CA: #23 of 92 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #114,772 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797386 Superconductor-magnet induced separation Ernst M. Gyorgy, David W. Johnson 1989-01-10