Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618491 | Gas discriminating semiconductor sensors | John Andrew Johnston | 2017-04-11 |
| 8972204 | Gas discriminating semiconductor sensors | John Andrew Johnston | 2015-03-03 |
| 5052231 | Mass flow gauge for flowing media with devices for determination of the Coriolis force | Herbert Christ, Wolfgang Stumm | 1991-10-01 |