DH

Donald E. Hallam

EA E.I. Du Pont De Nemours And: 1 patents #116 of 563Top 25%
📍 Wilmington, DE: #60 of 264 inventorsTop 25%
🗺 Delaware: #122 of 479 inventorsTop 30%
Overall (1989): #119,594 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4873821 Apparatus and process for forming alternate twist plied yarn Peter Popper, Harold F. Staunton, Robert Edward Taylor, Paul W. Yngve 1989-10-17