Patents by Inventor Douglas E. Nieh

Douglas E. Nieh 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: D274181
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: June 5, 1984
    Assignee: Polaroid Corporation
    Inventors: Robert E. Abate, Douglas E. Nieh