4. Land vehicles: bodies and tops
  5. Bodies
  6. Accessories

Alan S. Hersh

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Active control source cancellation and active control...

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Within duct
Reexamination Certificate

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Apparatus for reducing aerodynamic drag

Land vehicles: bodies and tops – Bodies – Accessories
Patent

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Extended frequency range Helmholtz resonators

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Hybrid mode-scattering/sound-absorbing segmented liner system an

Acoustics – Sound-modifying means – Mechanical vibration attenuator
Patent

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Low noise hand-held hairdryer

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent

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Profile ID: LFUS-PAI-P-556232

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