Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4259846 | Vessel for storing cryogenic liquids | Ingvar Johansson | 1981-04-07 |
| 4187868 | Method and device for cleaning a sloping or vertical surface on an optical element | — | 1980-02-12 |