Patents by Inventor Ken Trung

Ken Trung 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).

  • Locking device and electric lock, lock assembly, drop-box and delivery system and method including same
    Publication number: 20050086983
    Abstract: A locking device locking device (e.g., lock and lock assembly) includes a drive motor connected to a finite power supply, the drive motor including a shaft and a predetermined number of windings, and a threaded rod axially connected to the shaft, the rod having a predetermined thread pitch. The number of windings and/or the thread pitch are selected to maximize a life of the finite power supply.
    Type: Application
    Filed: September 5, 2003
    Publication date: April 28, 2005
    Applicant: eBox. Inc.
    Inventors: John Stevens, Ken Trung, Chris Verge, Paul Waterhouse