Self-vaccination mechanism for use with wild animals, developed at the Center for Disease Control in Atlanta; made by Humane Coyote Getter, Inc., in Pueblo, Co.; and tested by veterinarian William G. Winkler (1932-2013).
Ref: George M. Baer and William G. Winkler, “Oral Rabies Immunization of Carnivores,” U.S. Patent 4,014,991 (March 27, 1977).
William G. Winkler and Konrad Bőgel, “Control of Rabies in Wildlife,” Scientific American 266 (June 1992): 86-93.
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