4. Telephonic communications
  5. Emergency or alarm communications
  6. With automatic dialing or transmission of recorded audio...

Donald C. Sorenson

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Apparatus and methods for generating uninterruptible AC power si

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Patent

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Apparatus and methods for generating uninterruptible AC power si

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Burst-mode combining of reverse path radio frequency signals

Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate

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Mapping of bit streams into MPEG frames

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate

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Multi-carrier frequency-division multiplexing (FDM)...

Multiplex communications – Channel assignment techniques – Combining or distributing information via time channels...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-100840

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