4. Tent, canopy, umbrella, or cane
  5. Umbrella
  6. Rib and stretcher joints

Yao-Chin Lin

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Linkage device for an umbrella

Tent – canopy – umbrella – or cane – Umbrella – Rib and stretcher joints
Patent

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Parasol with ventilation

Tent – canopy – umbrella – or cane – Umbrella – Cover or lining feature
Reexamination Certificate

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Structure for combining frames of an umbrella

Tent – canopy – umbrella – or cane – Umbrella – Rib and stretcher joints
Patent

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Umbrella frame

Tent – canopy – umbrella – or cane – Umbrella – Ribs and stretchers
Patent

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Umbrella frame

Tent – canopy – umbrella – or cane – Umbrella
Utility Patent

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Profile ID: LFUS-PAI-P-109368

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