Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808165 | Apparatus for mixing and introducing gas into a large body of liquid | David O. Sperber, Jr., Ernest W. Downs, Fredric H. Avers, Stephen S. Dashew | 2004-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808165 | Apparatus for mixing and introducing gas into a large body of liquid | David O. Sperber, Jr., Ernest W. Downs, Fredric H. Avers, Stephen S. Dashew | 2004-10-26 |