4. Multiplex communications
  5. Wide area network
  6. Packet switching

Richard C. Frey

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Apparatus for presenting a sequence of fixed pictures

Boots – shoes – and leggings
Patent

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Digital radio telephone system

Multiplex communications – Wide area network – Packet switching
Patent

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Digital radio telephone system

Multiplex communications – Wide area network – Packet switching
Patent

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Transaction execution system with secure data storage and commun

Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent

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Profile ID: LFUS-PAI-P-1270770

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