Mask ventilation assist device
Description
Claims
The ornamental design for a mask ventilation assist device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Jacquelin Peck, MD, Omar Viswanath, MD, and Gerald Rosen, MD. Mask Ventilation Grip: A Life-Saving Innovation. Ochsner Journal. Volume 18, No. 2. Date Published: Summer 2018. pp. 112-113. (Year: 2018).
Patent History
Patent number: D849237
Type: Grant
Filed: Apr 24, 2017
Date of Patent: May 21, 2019
Inventor: Gerald P. Rosen (Miami Beach, FL)
Primary Examiner: Lilyana Bekic
Application Number: 29/601,550
Type: Grant
Filed: Apr 24, 2017
Date of Patent: May 21, 2019
Inventor: Gerald P. Rosen (Miami Beach, FL)
Primary Examiner: Lilyana Bekic
Application Number: 29/601,550
Classifications