Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521001 | Surface treatment of concrete | Stephen Christopher Neil Brown, Andrew William Benjamin, Tristan Thomas | 2009-04-21 |
| 5882487 | Removing contamination | Lin Li | 1999-03-16 |