Pressure equalization apparatus

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United States of America Patent

PATENT NO 7617554
APP PUB NO 20040068801A1
SERIAL NO

10268317

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Abstract

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An equalizing pressure control system for connection to at least two pressure zones of a body support. The equalizing pressure control system ensures that an object will be slowly and safely lowered to a static position in the event of a sudden failure of an external pump or a supply pressure to the at least two pressure zones.

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Patent Owner(s)

Patent OwnerAddress
WCW INC450 NATURAL FORM WAY MANCHESTER VT 05255

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wilkinson, John W Bennington , US 19 1238

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