WJ

Walter R. Andrews, Jr.

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
🗺 Virginia: #9,471 of 34,511 inventorsTop 30%
Overall (All Time): #1,658,827 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5240667 Process of making high strength, low shrinkage polyamide yarn Marion R. De Witt, Jr. 1993-08-31
5096778 Dip penetration regulators for tire yarns Fleming H. Day 1992-03-17
4900496 Process for making a tire cord using yarns containing a dip penetration regulator Fleming H. Day 1990-02-13