Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904842 | Removable storm water devices | Charles Billias, Rajesh Verma | 1999-05-18 |
| 5643445 | Removable storm water screen and overflow device | Charles Billias, Rajesh Verma | 1997-07-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904842 | Removable storm water devices | Charles Billias, Rajesh Verma | 1999-05-18 |
| 5643445 | Removable storm water screen and overflow device | Charles Billias, Rajesh Verma | 1997-07-01 |