4. H - Electricity
  5. 04
  6. R

Donald John Bowen

H - Electricity – 04 – R

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Country: United States Of America

Automatic handset-speakerphone switching arrangement for...

H - Electricity – 04 – B
Patent

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Microphone selection process for use in a multiple...

H - Electricity – 04 – R
Patent

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Sensor array tracking and detection system

H - Electricity – 04 – B
Patent

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Voice actuated switching system

H - Electricity – 04 – M
Patent

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Profile ID: LFCA-PAI-P-1616528

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