Assignee

CHAMPION FREEZE DRYING CO LTD

TW·2 granted patents·241 citations·filing 1993–1993

Technology mixA47C1 B60H1 B60N1 H02J1

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2 records

0193US5382075AChair seat with a ventilation deviceCHAMPION FREEZE DRYING CO LTD·Filed 1993·Granted Jan 17, 1995·187 cites·4 claims
0259US5371455AControl circuit for safe charging a rechargeable batteryCHAMPION FREEZE DRYING CO LTD·Filed 1993·Granted Dec 6, 1994·54 cites·3 claims

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