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

Harry J. Robertson

California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #107,858 of 140,708Top 80%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832262 Automobile window washing apparatus and heat exchanger therefor 1989-05-23