Bag valve mask
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The broken line showing of portions of the article and of attachments to the article is included for the purpose of illustrating environment and forms no part of the claimed design.
Claims
The ornamental design for a bag valve mask, as shown and described.
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Type: Grant
Filed: Dec 14, 2011
Date of Patent: Jul 16, 2013
Assignee: Galemed Corporation (Taipei)
Inventor: Ching-Chao Lee (Taipei)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle Shelton
Application Number: 29/408,627