ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,097, issued on July 21, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).

"Battery cell separator" was invented by Richard M. Sebzda (Wauwatosa, Wis.), Gurusiddeshwar Gudimani (Plymouth, Wis.), David Hernandez Jr. (Waukesha, Wis.) and Jin Cai Li (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery pack including a housing and a plurality of battery cells at least partially received within the housing. The plurality of battery cells include adjacent first and second battery cells arranged within the housing in a common relative orientation. A separator forms a physical barrier between a portion of the first b...