Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors › Robert DiGirolamo
RD

Robert DiGirolamo — 1 Patent

Springfield, PA: #99 of 190 inventorsTop 55%
Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,935,015 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856318 Surface resiliency tester Paul Hogan, Evan Sanders 1989-08-15

Nearby-Ranked Inventors

Yoshimitsu Okubo1
Ryozo Mirura1
Souichi Inada1
Romano Alberti1
Sergio Zurru1
Marcel E. Golay1
Horst Roese1
Mario T. Lopicolo1
Sergei A. Falkevich1