Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857161 | Process for the production of a display means by cathodoluminescence excited by field emission | Michel Borel, Jean-François Boronat, Philippe Rambaud | 1989-08-15 |
| 4835438 | Source of spin polarized electrons using an emissive micropoint cathode | Robert Baptist, Ariel Brenac, Gerard Chauvet, Francis X. Muller | 1989-05-30 |