Patents by Inventor Frank E. Stewart

Frank E. Stewart 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).

  • Removable redeemable coupon for newspaper advertisements and method and apparatus for producing same
    Patent number: 3995555
    Abstract: A removable redeemable coupon for newspaper advertisements and method and apparatus for producing same wherein the newspaper is printed in a rotary web press having a plurality of pairs of printing plate cylinders and blanket cylinders between which the web moves during the printing process. Printing plates secured in position on printing plate cylinders of certain pairs to print the faces of the web with news and advertisements including display advertisements with a redeemable coupon included therein.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: December 7, 1976
    Inventor: Frank E. Stewart