Article: Spanish Inventors Develop Coin Return Process

ALEXANDRIA, Va., Sept. 24 -- Francisco Javier Lopez Sanchez and Alberto Lozano Cordovilla, both of Navarra, Spain, have developed a process of coin return. According to the abstract released by the U.S. Patent & Trademark Office: "The present invention relates to a coin return process applicable in coin returns in which at least two types i of coins of different values coexist in a single storage area. The process has the steps of: obtaining a total value to be returned; assigning different initial weights Weight.sub.i.sup.0 to each of the at least two types of coin, i < =2; identifying the coin to be extracted or recovered by the return prior to its extraction or recovery; ...

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