Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870801 | Process and apparatus for making an inert atmosphere in airtight packages | Jean-Louis Pean, Jean Amen | 1989-10-03 |
| 4835937 | Apparatus for providing inert atmosphere in airtight packages for food products | Jean-Marc Meyer | 1989-06-06 |