Patents by Inventor Ralph K. Daugherty

Ralph K. Daugherty 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).

  • Carton sealing method and apparatus
    Patent number: 4012998
    Abstract: Apparatus for bringing together a tray and separate lid to form a carton wherein the lid is moved into position above the tray and the lid side flaps are bent down along the tray side panels and fastened in place to form the carton.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: March 22, 1977
    Assignees: Genevieve I. Hanscom, Genevieve I. Hanscom, Robert M. Magnuson & Lois J. Thomson, Trustees of the Estate of Roy M. Magnuson
    Inventors: Ralph K. Daugherty, Lynn D. Crawford