ALEXANDRIA, Va., March 19 -- United States Patent no. RE50,344, issued on March 18, was assigned to Stryker Corp. (Portage, Mich.).

"Video monitoring system" was invented by Richard A. Derenne (Portage, Mich.), Richard Thomas DeLuca (Kalamazoo, Mich.), Jason James Wroblewski (Kalamazoo, Mich.), Sanjay Dhall (Canton, Mich.), Xiyu Duan (Ann Arbor, Mich.) and Vishal P. Lowalekar (Detroit).

According to the abstract* released by the U.S. Patent & Trademark Office: "An asset tracking system includes a camera adapted to capture images and output signals representative of the images. The camera may include one or more depth sensors that detect distances between the depth sensor and objects positioned within the field of view of the one or more c...