Pipe wrench
Description
Claims
I claim the ornamental design for a pipe wrench, as shown and described.
Referenced Cited
U.S. Patent Documents
5251518 | October 12, 1993 | Woo |
D362603 | September 26, 1995 | Woo |
D474380 | May 13, 2003 | Chartier et al. |
6742419 | June 1, 2004 | Chartier et al. |
6971288 | December 6, 2005 | Wei |
7013763 | March 21, 2006 | Hsien |
7044030 | May 16, 2006 | Chartier et al. |
7096764 | August 29, 2006 | Dong |
20040154440 | August 12, 2004 | Chartier et al. |
Patent History
Patent number: D571172
Type: Grant
Filed: Nov 27, 2006
Date of Patent: Jun 17, 2008
Assignee: Niche Rich International Corporation (Taichung County)
Inventor: Richard Yu (Taichung County)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall H Gholson
Attorney: Banger Shia
Application Number: 29/250,682
Type: Grant
Filed: Nov 27, 2006
Date of Patent: Jun 17, 2008
Assignee: Niche Rich International Corporation (Taichung County)
Inventor: Richard Yu (Taichung County)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall H Gholson
Attorney: Banger Shia
Application Number: 29/250,682
Classifications
Current U.S. Class:
D8/22