RJ

Robert Vincent Jeral

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Philadelphia, PA: #1,263 of 4,834 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,634,781 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5935379 Heat-sealing wheels for forming a longitudinal weld or seal in seams of plastic films David Louis Frantz, Walter E. Lewis, Frederick H. Fiesser 1999-08-10
5740659 Shrink tunnel and methods relating thereto John Farrell Cox, Frederick H. Fiesser, Donald Earl Erlston, Jr., Richard Hansen 1998-04-21
5475964 Transverse heat-sealing apparatus for continuous shrink film packaging Frederick H. Fiesser 1995-12-19