ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,893, issued on Dec. 23, was assigned to LaserSeed Inc. (Calgary, Canada).

"Device for securing open sliding windows and doors" was invented by Kenneth M. Brown (Calgary, Canada) and Randal G. Woo (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for securing sliding windows and doors includes a telescoping bar and a plate. An end of the bar and the plate together form a connector pair that couples the bar end to the plate in one of a separable orientation and an inseparable orientation according to a relative angle between the bar end and the plate. The connector pair allows the bar to be separated from the plate in the separa...