Patents by Inventor Juan Lizaso

Juan Lizaso 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 door control system
    Patent number: 8471676
    Abstract: A security door control system for managing the sequence of operation for security doors by controlling access between non-secure and secure areas. The system comprises a software logic installed on programmable logic controllers that operates the system by processing inputs from a plurality of local and remote sources and providing in real time individualized control signals to a plurality of fully automated security doors and multiple local and remote associated security door components.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: June 25, 2013
    Assignee: Dash Door & Closer Service, Inc.
    Inventor: Juan Lizaso