RS

Ronald L. Schwenninger

PI Ppg Industries: 2 patents #31 of 184Top 20%
📍 Cumberland, MD: #1 of 2 inventorsTop 50%
🗺 Maryland: #47 of 841 inventorsTop 6%
Overall (1982): #8,244 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4322235 Float glass forming chamber with horizontal heating elements — 1982-03-30
4311508 Float glass forming chamber with cast roof — 1982-01-19