ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,378, issued on Feb. 17, was assigned to Otex Protective Inc. (Rochester, N.Y.).

"Ventilation unit and controller device" was invented by Jacob R. Weidert (Rochester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ventilation unit and controller device comprises a ventilation unit with a housing. The housing has an intake port permitting flow of gas into the housing and an exhaust port permitting flow of gas out of the housing. Within the housing, a motorized fan is positioned to direct gas into the housing via the intake port and out of the housing via the exhaust port. A controller capable of controlling the ventilation unit communicates wit...