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Lightweight acoustical system

Acoustics – Sound-modifying means – Sound absorbing panels
Reissue Patent

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Lightweight and economical sound barrier for mounting on the gro

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent

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Lightweight loudspeaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight loudspeaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight low profile sound wall panel

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent

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Lightweight muffler and method for muffling noise

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Lightweight polymer muffler apparatus and method of making same

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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Lightweight sound absorbent panels having high noise reduction c

Acoustics – Sound-modifying means – Sound absorbing panels
Patent

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Lightweight speaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Patent

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Lightweight speaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight speaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight speaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight speaker enclosure

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Lightweight, sound-insulating lining for a body part of a...

Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate

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Linear acoustic liner

Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate

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Linear muffler shockwave suppressor

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Lined-duct acoustic filter

Acoustics – Sound-modifying means – By wave interference
Patent

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Lock seam for canisters

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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Locking member

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Long fiber thermoplastic composite muffler system

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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