Patents by Inventor Marc J. Riley

Marc J. Riley 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).

  • Signature capture/verification systems and methods
    Patent number: 5892824
    Abstract: A signature device for capture or capture and verification includes a variety of advantageous features including, for example, an ability to work in conjunction with an IC card; an improved angle correction technique; an improved technique for adapting to biometric signature changes; and many other new improvements.
    Type: Grant
    Filed: January 12, 1996
    Date of Patent: April 6, 1999
    Assignee: International Verifact Inc.
    Inventors: Rodney Beatson, Mark A. Kelty, Marc J. Riley
  • Machined two-piece microwave waveguide
    Patent number: H321
    Abstract: Machineable microwave waveguide apparatus and method for constructing same. Waveguide functions as an interconnecting waveguide channel between two parallel microwave ports which have an axial offset. The waveguide is comprised of two complimentary halves with C-shaped cross-section, the two halves fitting together to form a single unit. The fit-together unit is capped, and can be sealed for pressure-tight applications.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: August 4, 1987
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Marc J. Riley, Harold E. Sterner