4. Telephonic communications
  5. Centralized switching system
  6. Call distribution to operator

Stephen Welner

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Automated system for identifying authorized system users

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Call routing and handling system for conveying confidential medi

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

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System for tracking secure medical test cards

Printed matter – Maps
Patent

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Profile ID: LFUS-PAI-P-543636

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