4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Element or attachment

David Calvin Laufer

Inventor

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Telecommunications access jack

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Connector – conductor or housing therefor
Patent

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Telecommunications charger device

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Battery charger
Patent

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Telecommunications control unit

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

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Telecommunications handset

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

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Profile ID: LFUS-PAI-P-1046697

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