SD

Steven A. Duncan

IBM: 4 patents #21,733 of 70,183Top 35%
Overall (All Time): #1,039,429 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6721614 Multi-discipline universal CAD library Laurence J. McKee 2004-04-13
5615387 Method and apparatus for reworking printed circuit boards using surface coating and selective removal of an electrically conductive material Charles H. Crockett, Jr., Stephen Alan Dunn, deceased, David W. Malone, Michael G. McMaster 1997-03-25
5600259 Method and apparatus for reducing interference in a pin array Bernd Bartyzel, Daniel A. Fields, Keith A. Vanderlee 1997-02-04
5214250 Method of reworking circuit panels, and circuit panels reworked thereby Burtran Joe Cayson, John A. Covert, John M. Lauffer, Issa S. Mahmoud, Richard A. Schumacher 1993-05-25
5088508 Apparatus and method for eliminating cigarette sidestream smoke 1992-02-18