JG

John K. Groetzinger

PI Ppg Industries: 1 patents #48 of 198Top 25%
📍 Salisbury, MD: #3 of 11 inventorsTop 30%
🗺 Maryland: #225 of 1,164 inventorsTop 20%
Overall (1989): #95,211 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836775 Air cooled rotary kiln collar Robert B. Heithoff 1989-06-06