Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391152 | Tunnel waterproofing composition and system | David Cozzens, Xia Cao, Steven Horton, Abbas Kazmi | 2022-07-19 |
| 11242751 | Tunnel waterproofing composition and system | David Cozzens, Xia Cao, Steven Horton, Abbas Kazmi | 2022-02-08 |
| 7932191 | Particulate compositions and their manufacture | Howard Roger Dungworth, Rebecca A. Kelly | 2011-04-26 |
| 6716526 | Particulate compositions and their manufacture | Howard Roger Dungworth | 2004-04-06 |