Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7855027 | Methods and apparatus for breath alcohol testing | David J. Bayer | 2010-12-21 |
| 7855081 | Methods of detecting RF interference in breath ethanol testing | Keith Lueck, Gary Sibley, John R. Mitchell | 2010-12-21 |
| 7749169 | Handheld breath tester housing and mouthpiece | David J. Bayer, Joe Fodor | 2010-07-06 |