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

Ching-Song Chen

Inventor

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Details

Inventor

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Combined facsimile, telephone answering machine and modem

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

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Electric heating device

Electric heating – Heating devices – With heater-unit housing – casing – or support means
Reexamination Certificate

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Telephone set or similar article

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-1933224

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