4. Amusement devices: games
  5. Board games, pieces, or boards therefor
  6. Having three-dimensional pattern

Leonard M. Greene

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Air speed and direction indicating system for rotary winged airc

Measuring and testing – Navigation – Take-off and landing monitors
Patent

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Aircraft altitude alerting device

Communications: electrical – Digital comparator systems
Patent

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Aircraft auto throttle system

Aeronautics and astronautics – Aircraft control
Patent

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Aircraft control mechanism for a speed brake

Aeronautics and astronautics – Aircraft control – Automatic
Patent

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Aircraft control system

Aeronautics and astronautics – Aircraft control – Automatic
Patent

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Profile ID: LFUS-PAI-P-255069

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