ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,587, issued on May 20, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).

"Power adapter" was invented by Dean Nowalis (Franklin, Wis.), David M. Schwalbach (Milwaukee), Paul Rossetto (Milwaukee) and Brian Alves (Milwaukee).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adapter assembly including a power box that has a housing containing internal components, a longitudinal axis and a storage portion. The adapter assembly also includes a first cord coupled to and extending from the housing, an adapter including an engagement portion that is removably coupled to the storage portion of the housing and that selectively engages a power s...