4. Locks
  5. Operating mechanism
  6. Using a powered device

Graham James Luker

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Electric drop bolt with slidable drive mechanism

Closure fasteners – Bolts – Swinging
Reexamination Certificate

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Electromagnetic lock

Closure fasteners – Bolts – Swinging
Patent

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Electronic cylinder lock and computer security system

Locks – Operating mechanism – Using a powered device
Patent

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Lock for bi-directional doors

Closure fasteners – Bolts – Sliding and swinging
Reexamination Certificate

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Profile ID: LFUS-PAI-P-345279

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