Patents by Inventor John Charles Etheredge

John Charles Etheredge 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: 6676596
    Abstract: A light weight, portable, temperature regulated enclosure for the pre-heating of artificial insemination guns and the transportation of loaded artificial insemination guns to the place of usage is disclosed. A flexible, planar heater using an etched electrically resistive metallic foil heating element and attached temperature sensor provides regulated heat to the interior of the enclosure.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: January 13, 2004
    Assignee: EM Tools, Inc.
    Inventors: Kirk Steven Erwin, John Charles Etheredge
  • Publication number: 20020151764
    Abstract: A light weight, portable, temperature regulated enclosure for the pre-heating of artificial insemination guns and the transportation of loaded artificial insemination guns to the place of usage is disclosed. A flexible, planar heater using an etched electrically resistive metallic foil heating element and attached temperature sensor provides regulated heat to the interior of the enclosure.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 17, 2002
    Inventors: Kirk Steven Erwin, John Charles Etheredge