Door hinge pin
Claims
The ornamental design for a door hinge pin, as shown and described.
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Type: Grant
Filed: Aug 6, 2010
Date of Patent: Mar 8, 2011
Inventor: Kenneth L. Spragg (Woodstock)
Primary Examiner: Cynthia Underwood
Attorney: Bereskin & Parr LLP
Application Number: 29/367,334