Bubble generation device
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The broken phantom lines depict unclaimed subject matter only and form no part of the claimed design.
Claims
The ornamental design for a bubble generation device, as shown and described herein.
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Type: Grant
Filed: Mar 31, 2014
Date of Patent: Jun 30, 2015
Assignee: Belanger, Inc. (Northville, MI)
Inventors: Barry S. Turner (Novi, MI), Michael J. Belanger (Northville, MI), David L. Tognetti (Howell, MI), Mark D. Morin (Plymouth, MI)
Primary Examiner: Robin V Webster
Application Number: 29/486,578