µNAV

Measuring apparatus and instruments, namely distance measuring apparatus, speedometers, gravity measuring instruments, accelerometers, magnetometers, pressure sensors, apparatus for measuring velocity and orientation, avionic sensor systems, namely, aircraft airspeed sensors, aircraft altitude indicators, navigation systems; navigational apparatus and instruments, namely electric navigational instruments, navigational instruments for vehicles, satellite navigational system, namely, a global positioning system (GPS); inertial measurement units, namely electronic devices for measuring and reporting on a craft's velocity, orientation, and gravitational forces; angular rate sensors; gyroscopes; global positioning apparatus and instruments, namely global positioning systems