Patents by Inventor Michael J. Muldrey

Michael J. Muldrey 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).

  • Scanning control system
    Patent number: 4290055
    Abstract: A scanning control system is disclosed for remotely sensing or monitoring a predetermined condition or state, such as the presence of a fire, by means of one or a multiplicity of detecting stations at one or a multiplicity of locations with each detecting station providing a positive indication of the location of each predetermined condition sensed. A scanning or control panel is electrically connected with the detecting stations by means of four wires extending from the panel regardless of the number of detecting stations utilized in the system.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: September 15, 1981
    Assignee: Technical Development LTD
    Inventors: Douglas E. Furney, Michael J. Muldrey