WJ

William R. Barber, Jr.

EG Esco Group: 1 patents #2 of 9Top 25%
📍 Portland, OR: #13 of 101 inventorsTop 15%
🗺 Oregon: #40 of 384 inventorsTop 15%
Overall (1982): #24,548 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4335532 Excavating tooth Frederick C. Hahn, David A. Hampel 1982-06-22