4. Flexible or portable closure, partition, or panel
  5. Roll type
  6. With rotating means

Kuei-Chang Liu

Inventor

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Link for steel rolling door

Bleaching and dyeing; fluid treatment and chemical modification – Spray-dyeing process
Design Patent

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Motor drive for an electric rolling steel door

Flexible or portable closure – partition – or panel – Roll type – With rotating means
Patent

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Rolling steel door

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Strip or slat structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1397263

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