Patents Assigned to Alcohol Detection Systems, Inc.
  • Alcohol breath test device
    Patent number: 7422723
    Abstract: A breath alcohol detection device includes a one-piece multi-passage block with attached sensors, a valve and a fuel cell. The cell accurately determines the BrAC of a prospective vehicle operator. In the event the BrAC is less than the legal maximum for a territory, the device unlocks an ignition interlock to permit starting of the engine and operation of the vehicle.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: September 9, 2008
    Assignee: Alcohol Detection Systems, Inc.
    Inventor: Harry Edwards Betsill
  • Handheld breath test device
    Patent number: D661999
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: June 19, 2012
    Assignee: Alcohol Detection Systems, Inc.
    Inventor: Craig M. Pulford