RH

Ralph H. Howard

📍 Westmount, CA: #248 of 432 inventorsTop 60%
Overall (All Time): #3,969,459 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4647250 Canadian flexible dams — 1987-03-03