Respiration device
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The broken lines shown in the drawings illustrate portions of the respiration device. The broken lines illustrating the protruding structure on the top rear surface of the respiration device, seen only in
Claims
The ornamental design for a respiration device, as shown and described.
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Type: Grant
Filed: Jun 30, 2021
Date of Patent: Aug 1, 2023
Assignee: TECMEN ELECTRONICS CO., LTD (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Richard Kearney
Assistant Examiner: Michael Hoffman
Application Number: 29/797,493