Air heater
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Description
Claims
The ornamental design for an air heater, as shown and described.
Referenced Cited
Patent History
Patent number: D617434
Type: Grant
Filed: Oct 15, 2008
Date of Patent: Jun 8, 2010
Assignee: Leister Process Technologies (Sarnen)
Inventors: Rolf Aregger (Ebikon), Lukas Gisler (Alpnach Dorf)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: Bachman & LaPointe, P.C.
Application Number: 29/326,244
Type: Grant
Filed: Oct 15, 2008
Date of Patent: Jun 8, 2010
Assignee: Leister Process Technologies (Sarnen)
Inventors: Rolf Aregger (Ebikon), Lukas Gisler (Alpnach Dorf)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: Bachman & LaPointe, P.C.
Application Number: 29/326,244
Classifications