EI

Erwin J. Hales, III

📍 Durham, NC: #2,508 of 4,103 inventorsTop 65%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #3,871,119 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4996740 Door closer adapter/replacement assembly Robert Norman Hales, Robert N. Hales, Jr. 1991-03-05