JJ

John B. Leonard, Jr.

📍 Hillsborough, CA: #3 of 14 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #94,362 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801332 High strength asphalt cement paving composition Philip T. Selfridge, Patrick Clancey 1989-01-31