ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,406, issued on July 21.

"Charge domain mathematical engine and method" was invented by David Schie (Houston), Sergey Gaitukevich (Houston), Peter Drabos (Houston), Andres Sibrai (Houston) and Erik Sibrai (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multiplier has a pair of charge reservoirs. The pair of charge reservoirs are connected in series. A first charge movement device induces charge movement to or from the pair of charge reservoirs at a same rate. A second charge movement device induces charge movement to or from one of the pair of reservoirs, the rate of charge movement programmed to one of add or remove charges at a rate propo...