Patents by Inventor David M. Westbrook

David M. Westbrook has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ignition interlock system
    Publication number: 20130206495
    Abstract: An ignition interlock system, prior to allowing a driver to operate a vehicle, confirms the driver's identity and confirms whether the driver has ingested a prohibited substance. Equipment in the ignition interlock system is transferable between vehicles and can be utilized to retrofit an existing vehicle. The ignition interlock system communicates with various law enforcement and other agencies.
    Type: Application
    Filed: February 8, 2013
    Publication date: August 15, 2013
    Inventor: David M. Westbrook