LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Electro-acoustic audio transducer,Electrostrictive, magnetostrictive, or piezoelectric

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Speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

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Speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Patent

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Speaker device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

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Speaker for super-high frequency range reproduction

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

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Spherical membrane omnidirectional loudspeaker using a magnetost

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Patent

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Spherical piezoelectric speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Patent

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Stepped sound producing module

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Reexamination Certificate

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Structural assembly for housing an acoustical system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric

Patent

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