ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,001, issued on June 16, was assigned to 1656975 Ontario Inc (Canada).

"Attic ventilation system, roof vent therefor, and method of installation and servicing thereof" was invented by Roberto Carlos Roman (Etobicoke, Canada), Martin Gorlero Correa (Etobicoke, Canada) and Mathias Alfredo Roman Pon (Etobicoke, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are various embodiments of an attic ventilation system, a roof vent therefor, and method of installation and servicing thereof. In one embodiment, the roof ventilation system is to be mounted on a roof to draw exhaust airflow therethrough, and comprises a flange portion defining a ro...