Patents by Inventor Robert J. Santanna

Robert J. Santanna 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).

  • Piggy back slotter blades
    Patent number: 4167884
    Abstract: A blade for a rotary slotter is constructed by rigidly securing two arcuate blade sections in abutting end to end relationship by utilizing a keying element force fitted into complementary slots extending to the abutting ends of the blade sections.
    Type: Grant
    Filed: May 26, 1978
    Date of Patent: September 18, 1979
    Assignee: S&S Corrugated Paper Machinery Co., Inc.
    Inventor: Robert J. Santanna