Circuit boards provided with integrated circuits; Computer circuit boards; Custom printed circuit boards; Electrical circuit boards; Electro-optical instruments for use in inspection and measurement of industrial components; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Global positioning system (GPS); Portable computers; Printed circuit boards (PCBs); Protective carrying cases specially adapted for global positioning system (GPS) apparatus; Test adapters for testing printed circuit boards; Test pins for testing printed circuit boards; Testing apparatus for testing printed circuit boards; Transmitter and receiver used to locate lost pets; Vehicle locator and recovery device programmed to use global positioning systems (GPS) and cellular telecommunications