Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477887 | Tubular liner for softlining pipe rehabilitation | — | 1995-12-26 |
| 5280811 | Method of softlining sewer rehabilitation | Hermann Suerbaum | 1994-01-25 |
| 5163481 | Tubular liner for softlining pipe rehabilitation | — | 1992-11-17 |