Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623603 | Method and apparatus for water purification | Charles J. Call, Alireza Shekarriz, Mike Powell, Seung Ho Hong, Robert Beckius | 2003-09-23 |
| 6591630 | Cooling device | Douglas M. Smith, Kevin Roderick, Charles J. Call | 2003-07-15 |