4. Measuring, testing, or signalling instruments
  5. Clock or clock case
  6. Changeable exhibitor, e.g., digital type

Joel K. Davis

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Alarm clock

Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent

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Electric alarm clock with battery back-up

Horology: time measuring systems or devices – Chronological – With auxiliary illumination for display
Patent

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Profile ID: LFUS-PAI-P-993844

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