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Child assist rail and support system

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Patent

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Child's handrail

Static structures (e.g. – buildings) – Stepped; e.g. – stair – With additional building feature
Reexamination Certificate

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Circular stairway and method of making same

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Helical type
Patent

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Collapsible porch

Static structures (e.g. – buildings) – Stepped; e.g. – stair – With additional building feature
Patent

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Combination pull-down attic stairs and ceiling light

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Patent

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Component and method for restoring a stairway

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Reexamination Certificate

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Component and method for restoring a stairway

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Reexamination Certificate

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Component for the construction of ground-bearing stairways and r

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Patent

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Concrete elevation assembly, hollow concrete block, and...

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Tread unit on horizontal tread member connected to riser
Reexamination Certificate

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Concrete elevation assembly, hollow concrete block, and...

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Reexamination Certificate

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Construction unit suitable for making stair stringers

Static structures (e.g. – buildings) – Stepped; e.g. – stair
Patent

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Constructional units for stepped structures

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Tread unit on horizontal tread member connected to riser
Patent

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Conveyor for conveying people

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Interconnected relatively movable components
Reexamination Certificate

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Covering for improving worn out steps

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Tread unit on horizontal tread member connected to riser
Patent

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Curved stairway and method

Static structures (e.g. – buildings) – Stepped; e.g. – stair – Helical type
Patent

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Curvilinear stairway constructions

Static structures (e.g. – buildings) – Stepped; e.g. – stair – With additional building feature
Patent

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