US Patent Application No: 2002/0093,156

Number of patents in Portfolio can not be more than 2000

Assistive opening and closing devices for wheelchairs

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ATTORNEY / AGENT: (SPONSORED)
 

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Abstract

A wheelchair is foldable to open and closed positions. The wheelchair includes first and second frame members that are movable with respect to each other during folding of the wheelchair. A biasing member is connected to at least one of the frame members. Movement of the frame members with respect to each other during folding of the wheelchair creates a biasing force in the biasing member urging the wheelchair to an open position.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SUNRISE MEDICAL HHG INC.LONGMONT, CO152

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frerich, Vincent J Arvada, CO 9 20
Lantz, Daniel J Boulder, CO 4 37
Stevens, Rex W Longmont, CO 21 95

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