CR

Charles E. Ring

BI Bmc Industries: 2 patents #5 of 10Top 50%
📍 Minneapolis, MN: #50 of 388 inventorsTop 15%
🗺 Minnesota: #587 of 4,549 inventorsTop 15%
Overall (2002): #70,460 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6468439 Etching of metallic composite articles Donald A. Whitehurst, Paul D. Wyatt, Michael J. Dufresne, Jose F. Brenes, Bruce A. Finger +1 more 2002-10-22
6365057 Circuit manufacturing using etched tri-metal media Donald A. Whitehurst, Dennis D. Mattson, Paul D. Wyatt, Michael J. Dufresne, Jose F. Brenes +2 more 2002-04-02