ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,406, issued on Feb. 24, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Hand-held power tool and rechargeable battery pack for a hand-held power tool" was invented by Christoph Klee (Stuttgart, Germany) and Holger Wernerus (Pliezhausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a rechargeable battery pack for a hand-held power tool, having an interface for establishing an electrical connection of the rechargeable battery pack to a hand-held power tool and/or a charging device. The interface has contact elements for electrically contacting corresponding mating contact elements on the hand-held power too...