4. Movable or removable closures
  5. Closures interconnected for concurrent movement
  6. Opposed similar movement

Mark Semmann

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Dual overhead track for a sliding door

Movable or removable closures – Closures interconnected for concurrent movement – Opposed similar movement
Reexamination Certificate

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Panel guide and impact separation system for a sliding door

Movable or removable closures – With specified means to effect emergency release to closure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2428159

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