Demonstration display unit
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Claims
The ornamental design for a demonstration display unit, as shown and described.
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Type: Grant
Filed: Jun 17, 2011
Date of Patent: Oct 9, 2012
Assignee: Design Force AB (Norrkoping)
Inventor: Martin Carlshamre (Norrköping)
Primary Examiner: Kelley Donnelly
Attorney: Greer, Burns & Crain, Ltd.
Application Number: 29/394,484