RM

Robert L. Mansfield

IBM: 8 patents #13,150 of 70,183Top 20%
Overall (All Time): #669,768 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5179709 Look ahead bus transfer request Roger N. Bailey, Alexander K. Spencer 1993-01-12
5146572 Multiple data format interface Roger N. Bailey 1992-09-08
5012435 Multiple event timer circuit Roger N. Bailey, Alexander K. Spencer 1991-04-30
4916301 Graphics function controller for a high performance video display system Alexander K. Spencer, Joe C. St. Clair 1990-04-10
4870406 High resolution graphics display adapter Satish Chandra Gupta, Leon Lumelsky, Hector G. Romero, Jr., Marc Segre, Alexander K. Spencer +2 more 1989-09-26
4837563 Graphics display system function circuit Alexander K. Spencer, Joe C. St. Clair 1989-06-06
4823286 Pixel data path for high performance raster displays with all-point-addressable frame buffers Leon Lumelsky, Joe C. St. Clair, Marc Segre, Alexander K. Spencer 1989-04-18
4808986 Graphics display system with memory array access Marc Segre, Alexander K. Spencer, Joe C. St. Clair 1989-02-28