4. Static structures (e.g., buildings)
  5. Window or window sash, sill, mullion, or glazing
  6. Having a drain or vent

Douglas A. Swift

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Asymmetric tire tread with an aquachannel

Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent

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Asymmetric tire tread with two aquachannels

Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Having a drain or vent
Patent

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Tire tread

Transportation – Parts – accessories and attachments for vehicles not... – Exterior or interior trim
Patent

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Tire/vehicle system

Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent

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