Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037801 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2024-07-16 |
| 11512484 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2022-11-29 |
| 10662661 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2020-05-26 |
| 9879436 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2018-01-30 |
| 9359780 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2016-06-07 |
| 9273479 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2016-03-01 |
| 8943774 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Semion Krivulin, Zi Li Fang | 2015-02-03 |