4. Horology: time measuring systems or devices
  5. Time interval
  6. Electrical or electromechanical

Ernest B. Shackford

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Key-operated cover reset mechanism for time switch clock of a ti

Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Patent

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Tamper-resistant electrical meter housing

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting
Patent

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Profile ID: LFUS-PAI-P-929184

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