4. Telephonic communications
  5. Substation or terminal circuitry
  6. For loudspeaking terminal

Carol Wu

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Camera with attachment support

Photography and optical equipment – Camera or body therefor – Video type
Design Patent

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Camera with scroll wheel

Photography and optical equipment – Camera or body therefor – Video type
Design Patent

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Filtering audio signals from a combined microphone/speaker earpi

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Processing audio signals using a discrete state machine

Telephonic communications – Substation or terminal circuitry – For loudspeaking terminal
Patent

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Web cam with stand

Photography and optical equipment – Camera or body therefor – Video type
Design Patent

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