ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,439,928, issued on Oct. 14, was assigned to 11778188 CANADA INC. (Prince Edward Island, Canada).

"Animal euthanasia method and apparatus" was invented by Daniel Hurnik (Charlottetown, Canada), Scott Christopher Dingwell (Mount Stewart, Canada) and Curtiss Gerard Littlejohn (Burford, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus involving a euthanasia process are provided. The euthanasia process is carried out in a chamber including electric stunning to induce insensibility and reduced atmospheric pressure to induce hypoxia. The described method and apparatus provide a more humane system for euthanizing animals and reducing...