Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073779 | Sludge vacuum system | Edward Shea | 2000-06-13 |
| 5865999 | Nozzleless underdrain for granular filtration system | Edward Shea, J. Holland Scott | 1999-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073779 | Sludge vacuum system | Edward Shea | 2000-06-13 |
| 5865999 | Nozzleless underdrain for granular filtration system | Edward Shea, J. Holland Scott | 1999-02-02 |