DJ

David M. Junker

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
📍 Monroeville, PA: #445 of 710 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,844,086 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5089127 Chemical feed apparatus Charles R. Wiedrich, Robert B. Simmons 1992-02-18