ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,650, issued on March 31, was assigned to FARRPRO INC. (Iowa City, Iowa).
"Failure indication system" was invented by Amos Isaac Petersen (Iowa City, Iowa), Steven James Hoff (Iowa City, Iowa), James Donald Riley (Iowa City, Iowa) and Christian Loza (Iowa City, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one or more arrangements, a failure indication system is provided having a light assembly, a heating mat assembly and a control circuit. The light assembly is configured to project a wavelength of light that is visible to animals and that illuminates the heating mat assembly to attract an animal to the heating mat. The control circuit is ...