Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158000 | Longspan stay-in-place liners | George David Richardson, Semion Krivulin | 2024-12-03 |
| 12037801 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Jorge Ricardo Rosas-Gracida | 2024-07-16 |