Assignee
LI QINGFENG
CN11 patents
Top patents by PatentIndex Score
US8434780B2May 7, 2013
Rollator
LI QINGFENG32 citations92
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Rollator
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Knee rest walker
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Anti-vibration dipped glove
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Anti-vibration dipped glove
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Suitcase
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Shower chair
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Knee supporting walker
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Rollator
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Rollator frame
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