HL

Howland A. Larsen

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Parkersburg, WV: #84 of 156 inventorsTop 55%
🗺 West Virginia: #1,664 of 3,425 inventorsTop 50%
Overall (All Time): #4,032,560 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4442260 Preparation of salt solution useful for making nylon — 1984-04-10