4. Electricity: electrical systems and devices
  5. Housing or mounting assemblies with diverse electrical...
  6. For electronic systems and devices

Calvin E. Lewis

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Modular multi-media communication management system

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
Reexamination Certificate

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Multi-media communication management system with multicast...

Telephonic communications – Special services – Conferencing
Reexamination Certificate

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Multi-media communication management system with subscriber...

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system
Reexamination Certificate

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Multi-media communication system having programmable speed...

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Shopping cart mounted portable data collection device with tethe

Registers – Systems controlled by data bearing records – Mechanized store
Patent

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Profile ID: LFUS-PAI-P-441172

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