JW

John A. Willis

📍 Raleigh, NC: #72 of 475 inventorsTop 20%
🗺 North Carolina: #359 of 3,078 inventorsTop 15%
Overall (2004): #57,043 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6833021 Method for treating precious metal bearing minerals Michael Matthew Hourn, Rodrigo U Ventura, David Winborne 2004-12-21
6827803 Method of joining belt ends 2004-12-07