Patents by Inventor John P. Graves

John P. Graves 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).

  • Method for inspecting, detecting and distinguishing sides of fabrics
    Patent number: 4864150
    Abstract: A method for inspecting, detecting and distinguishing sides of fabrics by reflecting light off the fabric and measuring the intensities relatively or absolutely, of such reflected light and comparing such measurements with pre-determined calibrations or other appropriate standards of comparison, so that the fabric can be properly oriented for sewing like sides to like sides, relying on different light reflecting characteristics of the two sides of the fabric.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: September 5, 1989
    Assignee: Russell Corporation
    Inventors: Michael G. Mann, John P. Graves