Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JD

Joseph C. Duddy

EXExide: 1 patents #15 of 29Top 55%
Trevose, PA: #24 of 52 inventorsTop 50%
Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,065,325 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4315829 Method of preparing a battery paste containing fibrous polyfluoroethylene for use in the plates of a lead-acid storage battery Francis P. Malaspina, William J. Martini 1982-02-16