FH

Francis J. Hanback

📍 Lomita, CA: #238 of 637 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,326,769 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D311721 Gyroscopic propelled/stabilized submarine — 1990-10-30
D290951 Ultralight aircraft — 1987-07-21