USD617434SActiveUtility

Air heater

72
Assignee: LEISTER PROCESS TECHPriority: Feb 1, 2008Filed: Oct 15, 2008Granted: Jun 8, 2010
Est. expiryFeb 1, 2028(~1.5 yrs left)· nominal 20-yr term from priority
Inventors:Rolf AreggerLukas Gisler
72
PatentIndex Score
17
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air heater, as shown and described.

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