ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,946, issued on April 7, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).

"Vacuum for use with modular storage system" was invented by Christopher J. Metcalf (Wauwatosa, Wis.), Timothy Tin Pak Lee (Kwai Chung, Hong Kong), Fraizier Reiland (Myrtle Beach, S.C.) and Jonathan M. Mantes (Franklin, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum that couples to storage units is provided. The vacuum includes a motor, an internal compartment, and an inlet and outlet that provide fluid communication between the internal compartment and an exterior of the vacuum. The vacuum includes one or more mechanisms to protect internal compo...