Origin Medical Instrument Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5931159 Lung ventilatorExpiredJun 10, 97Aug 03, 99[A62B, A61M]
5163423 HumidifierExpiredNov 29, 91Nov 17, 92[A61M]

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