DH

Derald R. Hatton

BC Black Clawson Company: 1 patents #4 of 13Top 35%
📍 Middletown, OH: #3 of 11 inventorsTop 30%
🗺 Ohio: #490 of 2,550 inventorsTop 20%
Overall (1982): #69,592 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4356084 Self-sealing valve assembly to facilitate unplugging of a centrifugal cleaner David E. Chupka 1982-10-26