Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816112 | Method of lining pipe with high strength liner, high strength liner, and pipe lined with high strength liner | Charles Free, Abu Abraham | 2020-10-27 |
| 10704728 | Pipe liner and method of making same | Charles Free, Abu Abraham | 2020-07-07 |