JH

James B. Hassall

📍 Levittown, PA: #183 of 461 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,333,071 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4865801 Shielding device Leroy D. Brahm, Frank C. Brown, David F. Ciarlone, Mark R. Dedrich, Fedor M. Salva 1989-09-12
4699752 Shielding device Leroy D. Brahm, Frank C. Brown, David F. Ciarlone, Mark R. Dedrich, Fedor M. Salva 1987-10-13