Patents by Inventor Serge Lagarrigue

Serge Lagarrigue 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).

  • Security system
    Patent number: 4060039
    Abstract: The invention covers a protective device in the outer area of a room, for instance a banking hall of a financial institution, with a bullet-proof door, which can be locked, leading into a room, the locking mechanism being operated in conjunction with a release device.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: November 29, 1977
    Inventor: Serge Lagarrigue