WJ

Walter D. Johnson

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Midlothian, VA: #413 of 917 inventorsTop 50%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,340,574 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4704329 Annealed polyester filaments and a process for making them Jack A. Hancock, Alan D. Kennedy 1987-11-03
4639347 Process of making crimped, annealed polyester filaments Jack A. Hancock, Alan D. Kennedy 1987-01-27