Artificial tree trunk
The broken lines shown in
Claims
The ornamental design for an artificial tree trunk, as shown and described.
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Type: Grant
Filed: May 18, 2011
Date of Patent: Dec 24, 2013
Assignee: Willis Electric Co., Ltd. (Taipei)
Inventor: Johnny Chen (Sindian)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/392,196