Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339263 | Detection device transfer system | Scott Ruland | 2025-06-24 |
| 12241879 | Reference gas management in a breath alcohol calibration station | Scott Ruland | 2025-03-04 |
| 12203925 | Dual sensor types in intoxicant detection | Scott Ruland | 2025-01-21 |
| 12054044 | Networked intoxication vehicle immobilization | Timothy J. McGrath | 2024-08-06 |
| 11971395 | Secure data handling in a breath alcohol calibration station | Scott Ruland | 2024-04-30 |
| 11789009 | Dual sensor types in breath alcohol detection | Scott Ruland | 2023-10-17 |
| 11415564 | Secure data handling in a breath alcohol calibration station | Scott Ruland | 2022-08-16 |
| 11338675 | Networked intoxication vehicle immobilization | Timothy J. McGrath | 2022-05-24 |
| 11047840 | Reference gas management in a breath alcohol calibration station | Scott Ruland | 2021-06-29 |
| 10948468 | Fault-tolerant breath alcohol calibration station and method | Scott Ruland | 2021-03-16 |
| 10919389 | Networked vehicle immobilization | Timothy J. McGrath | 2021-02-16 |
| 10877008 | Reference gas management in a breath alcohol calibration station | Scott Ruland | 2020-12-29 |
| 10877023 | Dual sensor types in breath alcohol detection | Scott Ruland | 2020-12-29 |
| 10663440 | Secure data handling in a breath alcohol calibration station | Scott Ruland | 2020-05-26 |
| 10604011 | Networked intoxication vehicle immobilization | Timothy J. McGrath | 2020-03-31 |
| 10596903 | Networked intoxication vehicle immobilization | Timothy J. McGrath | 2020-03-24 |
| 10040349 | Networked intoxication vehicle immobilization | Timothy J. McGrath | 2018-08-07 |
| 8957771 | Apparatus, system, and method for implementing and monitoring breath alcohol testing programs, usually from a fixed point location, such as a home | David L. Arringdale, Michael W. Walter | 2015-02-17 |
| 7934577 | Ignition interlock breathalyzer | Michael W. Walter | 2011-05-03 |
| 6871755 | Ticket counting dispenser | Trevor E. Meyer, Kevin A. Jankowski, Daniel J. Fahrion, Scott A. Bottorf | 2005-03-29 |
| 5612710 | Real time low cost, large scale array 65K color display using lamps | Thomas C. Christensen, Jack L. Carter, Alan Stimson Foster, Jacques Y. Foster, William G. Phelps +3 more | 1997-03-18 |
| 5426415 | Breath analyzer for use in automobile ignition locking systems | Timothy J. Prachar, Michael W. Walter, Howard V. Block | 1995-06-20 |