Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821170 | Input/output system for multiprocessors | David Bernick, Kenneth K. Chan, Wing M. Chan, Yie-Fong Dan, Duc Manh Hoang +6 more | 1989-04-11 |
| 4800462 | Electrical keying for replaceable modules | A. Richard Zacher, Francis J. Dwan | 1989-01-24 |