ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,987, issued on Dec. 30, was assigned to Eleven Eleven Technologies LLC (Las Vegas).
"Gas monitoring and alarm systems and methods including level indicator unit" was invented by Ronald V. Longley (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas monitoring and alarm system includes a monitor, a sensor configured to sense a concentration of a gas in an area and send data to the monitor to receive data from the sensor, send the data to the monitor, and trigger an alarm status when the concentration of gas in the area exceeds a predefined alarm threshold, and the monitor incorporating a level indicator unit for a gas storage tank and/or g...