DH

Duane C. Hargis

ET Ethyl: 2 patents #14 of 77Top 20%
📍 Pleasant Ridge, MI: #1 of 4 inventorsTop 25%
🗺 Michigan: #263 of 3,452 inventorsTop 8%
Overall (1989): #28,698 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE32896 Gem cyclodialkylation of amines and amides — 1989-03-28
4798894 Gem cyclodialkylation of amines and amides — 1989-01-17