Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7441754 | Apparatus for introducing a gas into a body of liquid | Frederick Trentadue, Dan Alexander, Rodney S. Mrkvicka, James A. Bell, Andrew McCullough | 2008-10-28 |
| 6808165 | Apparatus for mixing and introducing gas into a large body of liquid | David O. Sperber, Jr., Ernest W. Downs, Jack Gorby, Stephen S. Dashew | 2004-10-26 |