Patents by Inventor Peter E. Cox

Peter E. Cox 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).

  • Personal handwriting verification
    Patent number: 5081686
    Abstract: The stress-wave activity produced by the interaction between a writing instrument and a surface during the generation of a given piece of handwriting on the surface is detected and stored. The stress-wave activity produced by a subsequent generation of the given piece of handwriting is then compared with that produced by the initial piece of handwriting in order to determine whether the initial and subsequent handwriting pieces have a common author.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: January 14, 1992
    Assignee: Rolls-Royce plc
    Inventor: Peter E. Cox
  • Personal handwriting verification
    Patent number: 5029219
    Abstract: The stress-wave activity produced by the interaction between a writing instrument and a surface during the generation of a given piece of handwriting on the surface is detected and stored. The stress-wave activity produced by a subsequent generation of the given piece of handwriting is then compared with that produced by the initial piece of handwriting in order to determine whether the initial and subsequent handwriting pieces have a common author.
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: July 2, 1991
    Assignee: Rolls-Royce plc
    Inventor: Peter E. Cox