FH

Francis U. Hill

📍 San Diego, CA: #88 of 458 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #114,752 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4865784 Method of making porous inorganic particle filled polyimide foam insulation products — 1989-09-12