Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870406 | High resolution graphics display adapter | Satish Chandra Gupta, Leon Lumelsky, Robert L. Mansfield, Hector G. Romero, Jr., Alexander K. Spencer +2 more | 1989-09-26 |
| 4823286 | Pixel data path for high performance raster displays with all-point-addressable frame buffers | Leon Lumelsky, Joe C. St. Clair, Robert L. Mansfield, Alexander K. Spencer | 1989-04-18 |
| 4808986 | Graphics display system with memory array access | Robert L. Mansfield, Alexander K. Spencer, Joe C. St. Clair | 1989-02-28 |