Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315955 | Annular fill compressible grout mix for use behind pre-cast concrete segment installed in time-dependent deformation tunnels | — | 2019-06-11 |
| 10316239 | Compressible grout mix for use in absorbing compressive or deformation stresses of subterranean formations | — | 2019-06-11 |