ling electric vehicleUS5796312 *24 mai 199618 ao???t 1998Microchip Technology IncorporatedMicrocontroller with firmware selectable oscillator trimmingUS5856788 *12 mars 19965 janv. 1999Single Chips Systems Corp.Method and apparatus for radiofrequency identification tagsUS5936527 *10 f???vr. 199810 ao???t 1999E-Tag Systems, Inc.Method and apparatus for locating and tracking documents and other obje