US Patent Issued to dormakaba USA on May 13 for "Tubular exit device and method of installation" (American, Canadian Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,665, issued on May 13, was assigned to dormakaba USA Inc. (Indianapolis).

"Tubular exit device and method of installation" was invented by Curtis Massey (Odenton, Md.), Chris Fessett (Geigertown, Pa.) and Mandeep Singh (Kitchener, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exit device assembly for coupling to a door having a first side and second side. A first exit device may be coupled to the first side of the door. The first exit device may include a main tube extending from a first end to a second end and a first adjustment tube coupled to the first end of the main tube. The first adjustment tube may be axially adjustable relative t...