JJ

John J. Gropelli, Jr.

UF US Air Force: 1 patents #6,190 of 16,312Top 40%
📍 Pawcatuck, CT: #36 of 62 inventorsTop 60%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #4,025,021 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4554554 Quadrifilar helix antenna tuning using pin diodes Ralph C. Olesen, Robert A. Sainati, Andrew J. Stanland 1985-11-19