PREFABRICATED SPIRAL STAIRCASE

United States of America Patent

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Jan 5, 2016
filing date
Jan 13, 2015

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Abstract

The present invention relates to a prefabricated spiral staircase in which the heights between treads can be freely and finely adjusted, thus being conveniently assembled and installed at installation sites having different story heights.

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Patent Owner(s)

Patent Owner	Address
SEO SEONGHWAN	GOYANG-SI

International Classification(s)

E04F:FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
SEO, Seonghwan	Goyang-si, KR	2	6

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PREFABRICATED SPIRAL STAIRCASE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

15539998

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15539998

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