Patents by Inventor Robert J. Zatkos

Robert J. Zatkos 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: 4920671
    Abstract: An improved male component for a two-piece animal ear tag in which the male component is of one-piece construction, and is formed of at least two compatible plastic materials. The male component includes a flexible tab at one end, a hollow, elongated stem extending from the flexible tab, and an integral, hard tip formed on the end of the stem opposite the tab. The plastics blend with each other to an extent sufficient to form a secure junction, thereby creating male component formed of a unitary piece of plastic.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: May 1, 1990
    Assignee: Y-TEX Corporation
    Inventor: Robert J. Zatkos
  • Patent number: 4581834
    Abstract: A locking insert for a two-component animal ear tag, such as an identification tag or an insecticide tag which uses a flexible, resilient plastic for insecticide or other pest-controlling active ingredient, includes a hollow cylindrical part, a flexible locking ring which is convexly deformed to grasp and resist withdrawal of the male tag component, and an outer flange. The locking insert is positioned in a female tag body component prior to insertion of the male tag component.
    Type: Grant
    Filed: November 1, 1983
    Date of Patent: April 15, 1986
    Assignee: Y-Tex Corporation
    Inventors: Robert J. Zatkos, Joe D. Kellerby, Ronald K. Knapp
  • Patent number: D379253
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: May 13, 1997
    Assignee: Y-Tex Corporation
    Inventors: Ronald K. Knapp, Robert J. Zatkos