Johnston, Iowa
United States
25
2025-11-13
The entities that hold a legal rights for patent applications filed by inventor DeVries Douglas Edward:
Douglas Edward DeVries from Johnston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DETECTION DEVICE DATA TRANSFER SYSTEM
#2 | 2025-05-15REFERENCE GAS MANAGEMENT IN A BREATH ALCOHOL CALIBRATION STATION
#3 | 2025-04-17DUAL SENSOR TYPES FOR INTOXICANT DETECTION
#4 | 2025-01-30NETWORKED INTOXICATION VEHICLE IMMOBILIZATION
#5 | 2024-10-17SECURE DATA HANDLING IN A BREATH ALCOHOL CALIBRATION STATION
#6 | 2024-07-11DUAL SENSOR TYPES IN BREATH ALCOHOL DETECTION
#7 | 2024-04-25Dual sensor types in intoxicant detection
#8 | 2023-01-19Secure data handling in a breath alcohol calibration station
#9 | 2022-09-22Networked intoxication vehicle immobilization
#10 | 2021-05-27Secure data handling in a breath alcohol calibration station
#11 | 2021-05-20Dual sensor types in breath alcohol detection
#12 | 2021-04-15Reference gas management in a breath alcohol calibration station
#13 | 2020-11-05Fault-tolerant breath alcohol calibration station and method
#14 | 2020-07-09Networked intoxication vehicle immobilization
#15 | 2020-07-09Networked vehicle immobilization
#16 | 2019-12-05Networked intoxication vehicle immobilization
#17 | 2019-04-18Dual sensor types in breath alcohol detection
#18 | 2019-03-07Reference gas management in a breath alcohol calibration station
#19 | 2018-03-15Secure data handling in a breath alcohol calibration station
#20 | 2018-03-15Reference gas management in a breath alcohol calibration station
#21 | 2017-11-02IGNITION INTERLOCK BREATHALYZER
#22 | 2017-10-05DIAGNOSTIC PORT INTOXICATION VEHICLE IMMOBILIZATION
#23 | 2017-10-05Networked intoxication vehicle immobilization
#24 | 2017-04-13Networked intoxication vehicle immobilization
#25 | 2017-04-13DIAGNOSTIC PORT INTOXICATION VEHICLE IMMOBILIZATION
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