Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870801 | Process and apparatus for making an inert atmosphere in airtight packages | Jean-Luc Mizandjian, Jean-Louis Pean | 1989-10-03 |
| 4865969 | Production of microorganisms | Michel Cabau | 1989-09-12 |
| 4797364 | Process for preparing concentrated amounts of lyophilized microorganisms | Michel Cabau | 1989-01-10 |