Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849171 | Corrosion inhibition of sodium and calcium chloride | — | 1989-07-18 |
| 4845727 | Divider circuit | — | 1989-07-04 |
| 4817143 | Scrambled signal receiver | — | 1989-03-28 |
| 4797919 | Receiver having an interface with a sub-system | Louis Guillou, Francoise Coutrot | 1989-01-10 |