Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180632 | Unsaturated polyester resin system for cured in-place piping | Benjamin R. Hazen, Louis R. Ross, Joel R. Weber | 2021-11-23 |
| 10131766 | Unsaturated polyester resin system for cured in-place piping | Benjamin R. Hazen, Louis R. Ross, Joel R. Weber | 2018-11-20 |