4. Telecommunications
  5. Transmitter and receiver at separate stations
  6. Frequency or phase modulation

Robert L. Borchardt

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Antenna

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

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Apparatus for demagnetizing the magnetic head of a cassette tape

Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent

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In line switchable audio enhancement device for CD adapter

Dynamic information storage or retrieval – Combined independent audio systems
Patent

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Picture frame antenna

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

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System for local wireless transmission of signals at frequencies

Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent

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Profile ID: LFUS-PAI-P-174317

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