Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871931 | Logic circuit resistant to errors due to supply fluctuations | Mark E. Fitzpatrick, Yat-Sum Chan, Richard F. Pang | 1989-10-03 |
| 4868416 | FET constant reference voltage generator | Mark E. Fitzpatrick | 1989-09-19 |
| 4868427 | ECL to TTL circuit | Mark E. Fitzpatrick, Yat-Sum Chan | 1989-09-19 |
| 4853628 | Apparatus for measuring circuit parameters of a packaged semiconductor device | Mark E. Fitzpatrick | 1989-08-01 |