JC

John M. Culgan

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Chadds Ford, PA: #111 of 258 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,341,229 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4646667 Process for making an elastomeric yarn supply package Leander A. Sherbeck 1987-03-03
4628848 Elastomeric yarn supply package Leander A. Sherbeck 1986-12-16