FH

Francis V. Hill

📍 San Diego, CA: #88 of 458 inventorsTop 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #114,753 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4874648 Method of making flame resistant polyimide foam insulation and the resulting insulation Lola E. Crosswhite 1989-10-17