DC

Dave Campbell

OM Outboard Marine: 1 patents #244 of 426Top 60%
SG Schott Glas: 1 patents #148 of 378Top 40%
📍 Waukegan, IL: #146 of 352 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,199,221 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6524641 Method for producing substrates having defect free patterns thereon Monica Cotlear de Witzmann, Petra Auchter-Krummel, Waldemar Weinberg 2003-02-25
5219409 Vacuum die casting process George R. Clark, Frank W. Kenik, Russell J. VanRens 1993-06-15