4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
  6. Specified casing or housing

Witold Gajewski

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Compound chain drive guide

Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Tension adjuster or shifter driven by electrical or fluid motor
Reexamination Certificate

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Non-circular rotary component

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Reexamination Certificate

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Non-circular rotary component

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Reexamination Certificate

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Surround sound system for general purpose computer using dual so

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Synchronous drive apparatus and methods

Endless belt power transmission systems or components – Pulley having circumferentially spaced portions of drive...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1438007

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