Patents Assigned to Hui-Lang Shieh
  • Theft-proof suitcase
    Patent number: 4155079
    Abstract: Removal of a suitcase from the owner's hand causes a plug to be separated from a jack to supply power to an alarm circuit which provides audible and visible alarms. Alternatively, the alarm circuit is actuated by unauthorized movement of the suitcase from the position in which the user left it. For convenience, the suitcase includes a built in radio, an umbrella mounting and an external source of illumination.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: May 15, 1979
    Assignee: Hui-Lang Shieh
    Inventors: Tei-mo Chiu, Senug-Ming Chiu, Weally Sew