Sintering furnace
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Claims
I claim the ornamental design for a sintering furnace, as shown.
Type: Grant
Filed: Feb 9, 2009
Date of Patent: May 11, 2010
Assignee: Ivoclar Vivadent AG (Schaan)
Inventor: Stephan Leitl (Ravensburg)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania K Dworzecka
Attorney: John C. Thompson
Application Number: 29/313,772