4. Amplifiers
  5. With semiconductor amplifying device
  6. Including temperature compensation means

Marc H. Pullman

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Base station panel

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Control tray for base station

Recording – communication – or information retrieval equipment – Miscellaneous
Patent

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Dual-tone multi-frequency microphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Headset

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Microphone grille

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-813135

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