Patents/Inventors

Douglas Edward Devries

Johnston, IAUS5 patents

6 Patents

US123392632025
Detection Device Transfer System
Consumer Safety Technology, LLC
0 cites
US122418792025
Reference Gas Management in a Breath Alcohol Calibration Station
Consumer Safety Technology, LLC
0 cites
US122039252025
Dual Sensor Types in Intoxicant Detection
Consumer Safety Technology, LLC
0 cites
US120540442024
Networked Intoxication Vehicle Immobilization
Consumer Safety Technology, LLC
0 cites
US119713952024
Secure Data Handling in a Breath Alcohol Calibration Station
Consumer Safety Technology, LLC
0 cites
US117890092023
Dual Sensor Types in Breath Alcohol Detection
Consumer Safety Technology, LLC
0 cites