Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616826 | Photoacoustic analyzer and method | Jean-Paul Pellaux, John M. Hale | 1997-04-01 |
| 5331845 | Probe and method for detecting alcohol | John M. Hale, Eugen Weber, Antoine Gagnebin, Gerard Stehle | 1994-07-26 |
| 5060529 | Apparatus for detecting gaseous constituents within the inner space of packages | Willy Hofer, Antoine Gagnebin | 1991-10-29 |