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

Harry C. Rettger

Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%
Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,751,483 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5551719 Pedal-propelled tricycle vehicle having two modes of steering 1996-09-03