4. Locks
  5. Operating mechanism
  6. Key

Ernest L. Schlage

Inventor

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Augmented key and cylinder lock

Locks – Operating mechanism – Key
Patent

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Detector cylinder

Locks – Parts – attachments – accessories and adjuncts
Patent

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Electric power coupler

Geometrical instruments
Patent

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Electric switch contained within lock frame and actuated by move

Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent

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Electrically controlled door lock

Closure fasteners – Knobs
Patent

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Profile ID: LFUS-PAI-P-7321

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