Patents by Inventor Lee F. Douglas

Lee F. Douglas 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: D340617
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: October 26, 1993
    Inventor: Lee F. Douglas
  • Patent number: D348377
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: July 5, 1994
    Assignee: LeeDee Products, Inc.
    Inventor: Lee F. Douglas
  • Patent number: D363002
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: October 10, 1995
    Inventor: Lee F. Douglas