Patents by Inventor Norman Didia

Norman Didia 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: D298607
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: November 22, 1988
    Assignee: Rokina Optical Co., Inc.
    Inventor: Norman Didia
  • Patent number: D298741
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: November 29, 1988
    Assignee: Rokina Optical Co., Inc.
    Inventor: Norman Didia
  • Patent number: D298742
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: November 29, 1988
    Assignee: Rokina Optical Co., Inc.
    Inventor: Norman Didia