4. Tools and hardware
  5. Fastener, support or mount not elsewhere specified
  6. Escutcheon

Lawrence D. Butts

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Electric hinge

Geometrical instruments
Patent

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Electric strike

Closure fasteners – Keepers – With movable dog – catch or striker
Patent

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Electrically controlled latch

Closure fasteners – Bolts – Sliding
Patent

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Exit device

Closure fasteners – Bolts – Emergency operating means
Patent

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Keycard reader

Registers – Coded record sensors – Hand feed
Patent

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Profile ID: LFUS-PAI-P-296627

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