Patents by Inventor Son Van Ngo

Son Van Ngo 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).

  • Patent number: 10839626
    Abstract: Methods and systems for controlling electro-mechanical (EM) latches. An EM latch may be controlled by receiving dynamic key information from a smart device and static access card information from an access card. A signal generator sends a signal to actuate the EM latch upon verification of the dynamic key information or static access card information. The smart device may be associated with a single user or with multiple users.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: November 17, 2020
    Assignee: SOUTHCO, INC.
    Inventors: Stephen Keith Spatig, Son Van Ngo
  • Publication number: 20190221062
    Abstract: Methods and systems for controlling electro-mechanical (EM) latches. An EM latch may be controlled by receiving dynamic key information from a smart device and static access card information from an access card. A signal generator sends a signal to actuate the EM latch upon verification of the dynamic key information or static access card information. The smart device may be associated with a single user or with multiple users.
    Type: Application
    Filed: May 16, 2017
    Publication date: July 18, 2019
    Applicant: Southco, Inc.
    Inventors: Stephen Keith Spatig, Son Van Ngo