Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415167 | Infrared skin detection sensor | Paul David Ryder, Alain Schmidlin, Nicholas Troop | 2016-08-16 |
| 6672129 | Method for calibrating a sensor for measuring concentration of odors | Christopher J. Frederickson, Donald J. Hayes, David B. Wallace, David W. Taylor | 2004-01-06 |
| 6390453 | Method and apparatus for delivery of fragrances and vapors to the nose | Christopher J. Frederickson, Donald J. Hayes, David B. Wallace, David W. Taylor | 2002-05-21 |