Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11673835 | Sustainable two-component annular grout composition and method for use with a tunnel-boring machine | Michael McDonald, Kenneth A. Berg, Flavio Ernesto Ribeiro, Jim Moran, Peter Marinescu +1 more | 2023-06-13 |