DH

Donald K. Hagar

📍 Allentown, PA: #11 of 40 inventorsTop 30%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #68,847 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4334550 Sealing means for sliding gate valve Peter J. Connor 1982-06-15