Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071526 | Acidic gas sensors and method of using same | Derek Pletcher, John W. Evans, Piers Richard Warburton | 1991-12-10 |
| 4810352 | Electrochemical sensors | David J. Bone, Howard A. Buckenham, Paul Gotley | 1989-03-07 |