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Safe in-ear earphones

H - Electricity – 04 – R
Patent

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Sanitary attachment for telephone transmitters

H - Electricity – 04 – R
Patent

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Sanitary telephone mouthpiece

H - Electricity – 04 – R
Patent

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Schnabel car

H - Electricity – 04 – R
Patent

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Sealing device for electro-acoustical transducers

H - Electricity – 04 – R
Patent

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Second order toroidal microphone

H - Electricity – 04 – R
Patent

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Securing of lead wires to electro-acoustic transducers

H - Electricity – 04 – R
Patent

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Segmented ring transducers

H - Electricity – 04 – R
Patent

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Seismic transducer construction

H - Electricity – 04 – R
Patent

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Self monitoring speaker system

H - Electricity – 04 – R
Patent

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Self-contained dual earbud or earphone system and uses thereof

H - Electricity – 04 – R
Patent

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Self-curving cochlear electrode array

H - Electricity – 04 – R
Patent

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Self-damping speaker matching device and method

H - Electricity – 04 – R
Patent

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Self-orienting device

H - Electricity – 04 – R
Patent

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Self-orienting directionally sensitive geophone

H - Electricity – 04 – R
Patent

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Semi-permanent canal hearing device

H - Electricity – 04 – R
Patent

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Semiconductor granules for use in acoustic-electro...

H - Electricity – 04 – R
Patent

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Semiconductor piezoresistive strain transducer

H - Electricity – 04 – R
Patent

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Semiconductor stress transducer

H - Electricity – 04 – R
Patent

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Semiconductor stress transducer

H - Electricity – 04 – R
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