Patents by Inventor Ryuzo Kawaguchi

Ryuzo Kawaguchi 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).

  • Synthetic resin cloth
    Patent number: D301087
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: May 16, 1989
    Assignees: Patty Madden Inc., Lonseal Corp.
    Inventor: Ryuzo Kawaguchi
  • Synthetic resin cloth
    Patent number: D301088
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: May 16, 1989
    Assignees: Patty Madden Inc., Lonseal Corp.
    Inventor: Ryuzo Kawaguchi
  • Synthetic resin cloth
    Patent number: D301405
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: June 6, 1989
    Assignees: Patty Madden, Inc., Lonseal Corp.
    Inventor: Ryuzo Kawaguchi