Patents by Inventor Marvin J. Foral

Marvin J. Foral 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).

  • Single power source data transmission system
    Patent number: 4660046
    Abstract: A flat plate reflector at one station, responsive to ambient vibrations, is illuminated by a narrow beam of radio frequency waves transmitted from a second location, the transmitted waves being modulated in direct proportion to the ambient vibrations and reflected back to the second station for analysis.
    Type: Grant
    Filed: June 1, 1984
    Date of Patent: April 21, 1987
    Inventor: Marvin J. Foral