HD

Howard A. Dowell

EN Enterra: 1 patents #1 of 2Top 50%
📍 Downingtown, PA: #2 of 8 inventorsTop 25%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #58,079 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4347266 Protection against soiling Edward C. Norman 1982-08-31