Knee support device for attaching to a chair
Description
Claims
The ornamental design for a knee support device for attaching to a chair, as shown and described.
Referenced Cited
Patent History
Patent number: D931627
Type: Grant
Filed: Apr 25, 2019
Date of Patent: Sep 28, 2021
Inventor: KwangSun Yun (Seoul)
Primary Examiner: Abraham Bahta
Application Number: 29/688,978
Type: Grant
Filed: Apr 25, 2019
Date of Patent: Sep 28, 2021
Inventor: KwangSun Yun (Seoul)
Primary Examiner: Abraham Bahta
Application Number: 29/688,978
Classifications
Current U.S. Class:
D6/330