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Patent
D931627
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Priority
Apr 25 2019
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Filed
Apr 25 2019
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Issued
Sep 28 2021
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Expiry
Sep 28 2036
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Assg.orig
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Entity
unknown
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0
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4
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n/a
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The ornamental design for a knee support device for attaching to a chair, as shown and described.
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FIG. 1 is a front view of the knee support device for attaching to a chair showing my new design;
FIG. 2 is a back view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof; and,
FIG. 6 is a right side view thereof.
Yun, KwangSun
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