Patents by Inventor Keith E. Shepard

Keith E. Shepard 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: D299246
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: January 3, 1989
    Assignee: Plastics Engineering & Development, Inc.
    Inventor: Keith E. Shepard
  • Patent number: D299247
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: January 3, 1989
    Assignee: Plastics Engineering & Development, Inc.
    Inventor: Keith E. Shepard