Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403025 | Membrane probing system | Paul A. Tervo, Kenneth R. Smith, Clarence E. Cowan, Martin Koxxy | 2008-07-22 |
| 7148711 | Membrane probing system | Paul A. Tervo, Kenneth R. Smith, Clarence E. Cowan, Martin Koxxy | 2006-12-12 |
| 6930498 | Membrane probing system | Paul A. Tervo, Kenneth R. Smith, Clarence E. Cowan, Martin Koxxy | 2005-08-16 |
| 6838890 | Membrane probing system | Paul A. Tervo, Kenneth R. Smith, Clarence E. Cowan, Martin Koxxy | 2005-01-04 |