4. Electricity: magnetically operated switches, magnets, and electr
  5. Electromagnetically actuated switches
  6. Contact composition or structure

J. Richard Cavanagh

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Air cushion pontoon freight helicopter

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Patent

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Non-marking lawn mower

Harvesters – Motorized harvester – Including driven air-blower unit
Patent

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Obturator structure for silent automotive relay

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Contact composition or structure
Patent

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Playing surface structure for spinning top pin games

Amusement devices: games – Surface projectile game; game element – Simulated game
Patent

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Profile ID: LFUS-PAI-P-829617

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