Knife sharpener
Latest Jiin Haur Industrial Co. Ltd. Patents:
Description
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
D299614 | January 31, 1989 | Young |
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D317554 | June 18, 1991 | Young |
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Patent History
Patent number: D673439
Type: Grant
Filed: Apr 18, 2011
Date of Patent: Jan 1, 2013
Assignee: Jiin Haur Industrial Co. Ltd. (Changhua)
Inventor: Shih-Piao Wu (Changhua)
Primary Examiner: Philip S Hyder
Assistant Examiner: John T Applewhite
Attorney: Law Office of Michael Chen
Application Number: 29/389,898
Type: Grant
Filed: Apr 18, 2011
Date of Patent: Jan 1, 2013
Assignee: Jiin Haur Industrial Co. Ltd. (Changhua)
Inventor: Shih-Piao Wu (Changhua)
Primary Examiner: Philip S Hyder
Assistant Examiner: John T Applewhite
Attorney: Law Office of Michael Chen
Application Number: 29/389,898
Classifications
Current U.S. Class:
D8/93