4. Acoustics
  5. Diaphragm and enclosure
  6. With horn

Andrew Evans

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Disc player improvements

Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Chassis base supporting transducer carriage
Reexamination Certificate

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Ice cream kiosk trailer

Building units and construction elements – Structure – Simulative
Design Patent

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Method and apparatus for a loudspeaker assembly

Acoustics – Diaphragm and enclosure – With horn
Reexamination Certificate

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Method and apparatus for a loudspeaker assembly

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

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Profile ID: LFUS-PAI-P-2223297

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