Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876370 | 1,3,5-nonatriene derivatives, their preparation and their use | Lucette Duhamel | 1989-10-24 |
| 4831574 | Device for computing a digital transform of a signal | — | 1989-05-16 |
| 4797847 | Discrete cosine transformer | — | 1989-01-10 |