成人大片 Vice-Principal ResearchQueen鈥檚 Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,317,264 entitled, "Sensor and System for Monitoring Dispenser Levels, Traffic Flow, and Staff Location," on April 26, 2022 to James-Andrew Cole MacDonald. The patent relates to an electronic material sensor for a container, such as a dispenser for paper or liquid materials, or a waste receptacle, in a facility such as a restroom. The system sends notifications to cleaning and maintenance staff when the materials need to be replenished and receptacles need to be emptied, and the system may be used by managers to schedule cleaning according to traffic and location of staff.