4. Closure fasteners
  5. Knob rose plates

Manfred Hotzl

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Electrically and manually key-controlled lock

Locks – Operating mechanism – Using a powered device
Patent

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Electromechanical lock system

Locks – Operating mechanism – Using a powered device
Patent

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Handle assembly for dual-stem door lock

Closure fasteners – Knob rose plates
Patent

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Latch-operable multibolt lock

Closure fasteners – Bolts – Multiple
Patent

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Motor-assisted electromechanical lock system

Locks – Operating mechanism – Using a powered device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1375120

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