4. Movable or removable closures
  5. With operator for movably mounted closure
  6. Operator drives closure along guide

Nicholas A. Dragomir

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Clutchless screw drive door operator

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent

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Clutchless screw drive door operator

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent

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Limit switch arrangement for garage door operator

Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator
Patent

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Motor assembly for chain-drive garage door operator

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Profile ID: LFUS-PAI-P-143275

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