Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352375 | Coupling for pipes, fluid flow system including the coupling, and method of reducing contamination of water | Richard E. Nawracaj, Ralph Bonanotte | 2025-07-08 |
| 11130858 | Curable compositions for cured-in-place pipes | Richard E. Nawracaj, Gabriel Urbieta | 2021-09-28 |
| 10865305 | Method of curing a cured-in-place liner | Richard E. Nawracaj, Gabriel Urbieta | 2020-12-15 |
| 10696839 | Curable composition for cured in place pipes | Richard E. Nawracaj, Gabriel Urbieta | 2020-06-30 |