Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402576 | Structural cell for facilitating tree root growth | Charles Graham Ray, John Joseph Cogger, James Urban | 2025-09-02 |
| 11369065 | More efficient structural cell for facilitating tree root growth | Charles Graham Ray, John Joseph Cogger, James Urban | 2022-06-28 |
| 10285339 | More efficient structural cell for facilitating tree root growth | Charles Graham Ray, John Joseph Cogger, James Urban | 2019-05-14 |
| 9775303 | More efficient structural cell for facilitating tree root growth | Charles Graham Ray, John Joseph Cogger, James Urban | 2017-10-03 |
| 9085886 | Integrated tree root and storm water system | James Urban, Albert L. Key, Charles Graham Ray, Michael James | 2015-07-21 |
| 9085887 | Integrated tree root and storm water system | James Urban, Albert L. Key, Charles Graham Ray, Michael James | 2015-07-21 |
| 8065831 | Stackable structural cell having improved support characteristics | Charles Graham Ray, John Joseph Cogger, James Urban | 2011-11-29 |
| 7080480 | Integrated tree root and storm water system | James Urban, Albert L. Key, Charles Graham Ray, Michael James | 2006-07-25 |