Patents by Inventor Norman M. Earl

Norman M. Earl 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).

  • Bird feeders
    Patent number: 4188913
    Abstract: A wild bird feeder with separate compartments and adjustable dispensing means for seeds of various sizes so that a greater variety of the preferred smaller birds can feed. Novel means are also provided for protecting the seed from rain and from destructive animals and for providing adjustable perches to attract the preferred smaller birds and to permit either hanging or post mounting of the feeder.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: February 19, 1980
    Inventors: Norman M. Earl, Alexander M. Brown
  • Combined adaptor and dispenser for bird feed container
    Patent number: D289451
    Type: Grant
    Filed: October 3, 1984
    Date of Patent: April 21, 1987
    Assignee: The Bird Chef Co., Inc.
    Inventor: Norman M. Earl
  • Combined holder and dispenser for bird feed container
    Patent number: D302875
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: August 15, 1989
    Assignee: The Bird Chef Co., Inc.
    Inventor: Norman M. Earl