Patents by Inventor Larry R. Mather

Larry R. Mather 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 rendering gray scale images with variable dot sizes
    Patent number: 4680645
    Abstract: The capability of varying sizes of a dot in a printer is fully exploited to provide a gray scale image of superior quality. Errors in gray level are used to modulate the sizes of the dots in producing the image.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: July 14, 1987
    Assignee: Hewlett-Packard Company
    Inventors: Gary J. Dispoto, Larry R. Mather, John D. Meyer