4. Tools and hardware
  5. Locking or closing device

Richard J. Ohno

Inventor

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Electronic door lock

Tools and hardware – Locking or closing device
Patent

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Exit operator

Tools and hardware – Handle – knob or pull – Combined
Patent

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Key blank

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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Lock for fire doors

Locks – Special application – For closures
Patent

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Magnetic card-operated electronic door lock

Tools and hardware – Locking or closing device
Patent

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Profile ID: LFUS-PAI-P-930338

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