Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857809 | Method for the sealing of soil formations | — | 1999-01-12 |
| 5374139 | Process for producing a sealing for waste dumps and the like | — | 1994-12-20 |
| 5201608 | Process for sealing soil formations, especially waste dumps | — | 1993-04-13 |
| 5141362 | Process for producing a sealing for waste dumps and the like | — | 1992-08-25 |