Patents by Inventor Barbara M. Barbolla

Barbara M. Barbolla 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).

  • Patent number: 5263101
    Abstract: An optical scanner filter screen for use with an optical scanner, and method for use, comprising a colored optical filter or optical glass placed between the scanning mechanism of the optical scanner and the document to be scanned, for improving the accuracy of the reproduction of the document resulting from the optical scan by increasing contrast and reducing reflection and distortion of the light read by the scanning mechanism.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: November 16, 1993
    Assignee: Tandy Corporation
    Inventor: Barbara M. Barbolla