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Wheeled walker
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Patent number D902791
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Issue date Nov 24, 2020
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Protostar, Inc., a Delaware Corporation
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Peter James Fellingham
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D12 - Transportation
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Wheeled walker
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Patent number D874351
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Issue date Feb 4, 2020
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Protostar, Inc., a Delaware Corporation
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Peter James Fellingham
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D12 - Transportation
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Wheeled walker with a moveable seat
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Patent number 10,434,031
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Issue date Oct 8, 2019
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Protostar, Inc., a Delaware Corporation
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Yichuan Pan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Wheeled walker with a movable seat
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Patent number 10,307,321
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Issue date Jun 4, 2019
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Protostar, Inc., a Delaware Corporation
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Yichuan Pan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE