EP

Engelbert Pechhold

EA E.I. Du Pont De Nemours And: 2 patents #17 of 304Top 6%
📍 Chadds Ford, PA: #3 of 11 inventorsTop 30%
🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%
Overall (1982): #14,589 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4355119 Oligomeric formal diols of poly(tetramethylene ether) glycol and polyurethanes prepared therefrom — 1982-10-19
4340719 Oligomeric formal diols of poly(tetramethylene ether) glycol and polyurethanes prepared therefrom — 1982-07-20