Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821223 | Two-dimensional finite impulse response filters | — | 1989-04-11 |
| 4811099 | Video signal memories | David J. Hedley | 1989-03-07 |
| 4805129 | Two-dimensional finite impulse response filter arrangements | — | 1989-02-14 |
| 4802110 | Two-dimensional finite impulse response filter arrangements | John W. Richards | 1989-01-31 |