Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821204 | Longspan stay-in-place liners | George David Richardson, Zi Li Fang | 2023-11-21 |
| 11761220 | Snap-together standoffs for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures | George David Richardson | 2023-09-19 |
| 11674322 | Retainers for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures | George David Richardson, Marc Daniel Kean Zinman | 2023-06-13 |