ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,294, issued on March 3, was assigned to DAVINCI LOCK LLC (Raleigh, N.C.).

"System and method for customized premises access control" was invented by Bradford A. Minsley (Raleigh, N.C.) and Clifton P. Minsley (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure determine and/or estimate mass, volume and density of objects being stored in a controlled access environment. Tenant objects and/or storage contents can be detected in an enclosed area, and a mass and/or load adversity estimate for the contents can be determined. The mass and/or load adversity estimate can then be compared to a predetermined thre...