Filed May 2, 1997

Serial No. 75285444

Registered July 17, 2001

Registration No. 2,468,649

Class navigation and positioning transceivers, receivers, antennas, integrated circuits, circuit boards, data processors, instruments, computer hardware, firmware, GPS receivers in various configurations for use in global positioning systems, world-wide ground reference stations and related space-based satellite systems, having use in surveying, tracking, positioning, locating, mapping, measuring, communicating and other telemetry-enabled measuring and locating; 021; 023; 026; 036; 038