Patents by Inventor David B. Filmer

David B. Filmer 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).

  • Animal ear tag applicators
    Patent number: 4402320
    Abstract: An applicator for an animal ear tag having a pliers-type action which has an ear-piercing pin member attached to the jaws, the pin member being capable of pivoting in a direction away from the jaws when closed.
    Type: Grant
    Filed: March 23, 1982
    Date of Patent: September 6, 1983
    Assignee: Agri Plastics International Pty. Limited
    Inventor: David B. Filmer
  • Animal ear tag applicators
    Patent number: 4368735
    Abstract: An applicator for an animal ear tag having a pliers-type action which has an ear-piercing pin member attached to the jaws, the pin member being capable of pivoting in a direction away from the jaws when closed.
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: January 18, 1983
    Assignee: Agri Plastics International Pty. Limited
    Inventor: David B. Filmer