Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835723 | Phase coordinated multistage digital filter | — | 1989-05-30 |
| 4809208 | Programmable multistage digital filter | Eric P. Etheridge | 1989-02-28 |
| 4802098 | Digital bandpass oscilloscope | Shiv Balakrishnan | 1989-01-31 |