RC

Robert Arnold Christiansen

LI Lexmark International: 3 patents #642 of 1,615Top 40%
IBM: 2 patents #32,839 of 70,183Top 50%
📍 Salvisa, KY: #3 of 8 inventorsTop 40%
🗺 Kentucky: #2,220 of 11,577 inventorsTop 20%
Overall (All Time): #1,046,780 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6283588 Print head cartridge made with jointless one-piece frame consisting of a single material throughout Fred Young Brandon, Curtis Ray Droege, Lawrence Russell Steward, Gary R. Williams 2001-09-04
6243117 Print head cartridge and method of making a print head cartridge by one-shot injection molding Fred Young Brandon, Curtis Ray Droege, Lawrence Russell Steward, Gary R. Williams 2001-06-05
5942287 Extended wear developer sleeve with coupling agent Martin Victor DiGirolamo, Michelle Morris, Mark Meredith Trayner 1999-08-24
4996629 Circuit board with self-supporting connection between sides Joel A DiGirolamo 1991-02-26
4589584 Electrical connection for polymeric conductive material Frank M. Rose, Jr., James Smith, Kenneth D. Woosley 1986-05-20