ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,283, issued on Oct. 21, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Non-contact voltage tester lightbulb socket adapter" was invented by Gregory Herman (Elk Grove, Ill.), Jeremy Rubens (Palatine, Ill.) and Caitlyn Miklasz (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lightbulb socket adapter for a hand-held non-contact voltage tester is disclosed. The adaptor having a first engagement feature configured to at least partially couple with a hand-held non-contact voltage tester and a second engagement feature configured to be at least partially disposed within a lightbulb socket. A first embodiment has an adaptor with a male Ed...