4. Geometrical instruments
  5. Indicator of direction of force traversing natural media
  6. Magnetic field responsive

Ray F. Campbell

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Accelerometer augmented leveling device

Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Reexamination Certificate

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Accelerometer augmented precision compass

Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Reexamination Certificate

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Accelerometer augmented precision compass

Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Reexamination Certificate

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Angular and linear flexure plate accelerometer

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate

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Capacitance acceleration derivative detector

Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2693984

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