Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831523 | Multiple DMA controller chip sequencer | Richard Lewis | 1989-05-16 |
| 4803623 | Universal peripheral controller self-configuring bootloadable ramware | Sidney L. Kaufman, Krzysztof A. Kowal, Richard Lewis, Susan L. Raisbeck, John L. McNamara, Jr. | 1989-02-07 |