Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256004 | Method of forming consolidated earth columns by injection and the relevant plant and column | Antonio Sanella | 1993-10-26 |
| 5219247 | Method of forming consolidating earth columns by injection, the relevant plant with double chamber pneumatic hammer boring drill and the resulting column | Antonio Sanella | 1993-06-15 |