4. Closure fasteners
  5. Magnetic

David A. Geringer

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Door closure assembly

Closure fasteners – Operators with knobs or handles
Patent

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Door locking and monitoring assembly

Closure fasteners – Bolts – Sliding
Patent

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Electric strike

Closure fasteners – Keepers – With movable dog – catch or striker
Reexamination Certificate

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Electromagnet coil assembly and mounting apparatus and method fo

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent

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Electromagnetic door lock device

Closure fasteners – Magnetic
Patent

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Profile ID: LFUS-PAI-P-809541

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