4. Telegraphy
  5. Systems
  6. Printing

Jean Fellrath

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Active integrated circuit

Amplifiers – With semiconductor amplifying device – Including field effect transistor
Patent

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Device for transmission of information by pulse code frequency s

Telegraphy – Systems – Printing
Patent

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Electrically reprogrammable non volatile memory cell floating ga

Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent

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Electronic timepiece

Horology: time measuring systems or devices – Chronological – With manually actuated display
Patent

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Electronic watch control device for manual actuation

Horology: time measuring systems or devices – Displays or display device details – With manual activation
Patent

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Profile ID: LFUS-PAI-P-956091

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