ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,733, issued on Aug. 4.

"Systems and methods for seamlessly transferring a load between two AC sources of ac electrical power" was invented by Jack Brunier (Fort Lauderdale, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for switching the power source supplying an alternating current (AC) electrical load from a first AC power supply to a second AC power supply comprising: (a) determining, during a time period, the zero voltage crossings of at the first and second AC power supplies; (b) estimating for a future time period, based on information obtained in said determining step (a), the times at which a series of future current zero-crossin...