4. Movable or removable closures
  5. With means mounting closure for swinging
  6. With latch or lock

Leon Yulkowski

Inventor

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Door and door closer assembly

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
Reexamination Certificate

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Door construction

Closure fasteners – Bolts – Swinging
Patent

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Door construction

Closure fasteners – Bolts – Swinging
Patent

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Door construction

Movable or removable closures – With means mounting closure for swinging – With latch or lock
Patent

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Door lock system

Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate

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Profile ID: LFUS-PAI-P-779165

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