ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,152, issued on Nov. 4, was assigned to Klein Tools Inc. (Lincolnshire, Ill.).
"Arc fault circuit interrupt tester and method" was invented by Bruce R. Kuhn (Naperville, Ill.) and Christian A. Castro (Deerfield, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arc fault circuit interrupt (AFCI) tester device includes a housing and a circuit assembly disposed within the housing. The circuit assembly includes a first load switching circuit for creating a pulse pattern having a plurality of pulses. The circuit assembly includes a second load switching circuit for creating an overlay signal superimposed upon at least one pulse of the plurality of pu...