Patents by Inventor Tsuguo Endo

Tsuguo Endo 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).

  • Retaining ring for a pipe joint
    Patent number: D294384
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: February 23, 1988
    Assignees: Kurodite Industry Co., Crea Corp.
    Inventors: Tsuguo Endo, Masaaki Takatsu