4. Communications: electrical
  5. Continuously variable indicating
  6. With meter reading

William Rosenhagen

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Decorative light flashing apparatus and acousto-electric transdu

Music – Accessories – Producing color or light effects
Patent

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Multi-vehicle multi-controller radio remote control system

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Time limited power boost passing for toy vehicles

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent

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Toy vehicle engine sound device

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
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Profile ID: LFUS-PAI-P-784758

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