ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,542, issued on Oct. 27, was assigned to Andreas Stihl AG & Co. KG (Waiblingen, Germany).
"Cordless device and system" was invented by Moritz Pickhardt (Stuttgart, Germany) and Daniel Wagner (Winterbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cordless device includes a battery bay, a guiding web of a first type and a guiding web of a second type, different than the guiding web of the first type. The battery bay is designed for the exchangeable reception of a battery pack. The guiding web of the first type is designed for touching the battery pack in at least one guiding groove of the battery pack on at least one circumferential side...