US Patent Issued to Atlas-Apex Roofing on July 21 for "Laser detection system" (Canadian Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,655, issued on July 21, was assigned to Atlas-Apex Roofing Inc. (Etobicoke, Canada).

"Laser detection system" was invented by John Petrachek (Etobicoke, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A monitoring system comprising a transmitter and a receiver, the transmitter including a laser transmitter assembly selectively securable to a transmitter post between a transmitter proximate position adjacent a base end of the post and a transmitter distal position adjacent a distal end of the post, the laser transmitter assembly including a laser source arranged to project a laser beam from the transmitter, the receiver to be located a transmis...