4. Machine element or mechanism
  5. Alternate manual or power operators

Zvi Leivenzon

Inventor

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Automatic door opener

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent

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Door operator

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent

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Drive for a door operator

Machine element or mechanism – Alternate manual or power operators
Patent

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Profile ID: LFUS-PAI-P-604924

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