Patents by Inventor John G. Royball

John G. Royball 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: 5224246
    Abstract: Rope Fastening Device including a generally flat member having a rope passage slot formed therethrough. The end portions of the device is shaped into rope attachment posts which are utilized to loop portions of the rope thereabout.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: July 6, 1993
    Inventor: John G. Royball