STEP LADDER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150308190A1
SERIAL NO

14617441

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A ladder including a first frame, a second frame and a platform assembly. The first frame includes one or more fixed steps. The platform assembly includes a first platform pivotably coupled to the first frame, a second platform pivotably coupled to the first frame, a first linkage coupled between the second frame and one of the first platform and the second platform, and a second linkage coupled to the first platform and the second platform. The ladder is movable between a closed position and an open position

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Patent Owner(s)

Patent OwnerAddress
TRICAM INDUSTRIES INC7677 EQUITABLE DRIVE EDEN PRAIRIE MN 55344

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lu, Yongxue Shanghai, CN 3 8
Simpson, Dennis D Plymouth, US 14 34
Skubic, Jeff Eden Prairie, US 6 37
Williams, Ben Chaska, US 10 111

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