4. Electrical transmission or interconnection systems
  5. Plural supply circuits or sources
  6. Substitute or emergency source

Raymond O. Colbert

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Combined integrated voice data terminal and standalone keyboard

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

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Integrated voice data terminal

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

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Power supply switching arrangement

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

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Secure credit/debit card authorization

Telephonic communications – With check operated control – Fraud or interference prevention
Patent

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Profile ID: LFUS-PAI-P-238326

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