DC

David E. Chupka

BC Black Clawson Company: 1 patents #2 of 9Top 25%
📍 Middletown, OH: #4 of 12 inventorsTop 35%
🗺 Ohio: #979 of 4,093 inventorsTop 25%
Overall (1994): #146,532 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5367894 Apparatus and method for washing cellulosic pulp Clinton R. Parks, Michael A. Sieron, Peter Seifert 1994-11-29