Air heater
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Claims
We claim, the ornamental design for an air heater, as shown.
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Type: Grant
Filed: Dec 17, 2010
Date of Patent: Jun 5, 2012
Assignee: Leister Technologies AG (Kaegiswil)
Inventors: Andreas Fuerling (Kerns), Leo Wallimann (Alpnachstad)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Attorney: Bachman & LaPointe, P.C.
Application Number: 29/381,347