Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363563 | System for the storage of petroleum products and other fluids in a rock | Karl I. Sagefors | 1982-12-14 |
| 4192629 | System for the storage of radioactive material in rock | Karl I. Sagefors | 1980-03-11 |