4. Geometrical instruments

Pasquale Ambruoso, Sr.

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Acoustic coupling structure for microphone

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Plug-in module for electronic device having self-contained heat

Geometrical instruments
Patent

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Speaker grille screen and mounting structure

Acoustics – Diaphragm and enclosure – Reflector baffle
Patent

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Profile ID: LFUS-PAI-P-223067

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