Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846900 | Process for the production of a compresssed gas container made of austenitic steels by cryodeformation | Martin Kesten | 1989-07-11 |
| 4802598 | Closing for a discharge-proof cryocontainer | Heinrich Fieseler, Gerhard SaBmann | 1989-02-07 |