Patents by Inventor Douglas C. Hillman

Douglas C. Hillman 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: D242889
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: January 4, 1977
    Assignee: Uniroyal, Inc.
    Inventors: Douglas C. Hillman, Herbert J. Solomon
  • Patent number: D242890
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: January 4, 1977
    Assignee: Uniroyal, Inc.
    Inventors: Douglas C. Hillman, Herbert J. Solomon
  • Patent number: D246023
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: October 11, 1977
    Assignee: Uniroyal, Inc.
    Inventors: Douglas C. Hillman, Herbert J. Solomon