Vent for food packaging
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Claims
The ornamental design for a vent for food packaging, as shown and described.
Type: Grant
Filed: Nov 30, 2006
Date of Patent: Mar 10, 2009
Assignee: Wipf AG (Volketswil)
Inventor: Markus Schulthess (Volketswil)
Primary Examiner: Susan B Hattan
Attorney: Harrity & Harrity, LLP
Application Number: 29/250,757