Knife sharpener
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Description
The broken lines in
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D699534
Type: Grant
Filed: Jan 7, 2013
Date of Patent: Feb 18, 2014
Assignee: Edgecraft Corporation (Avondale, PA)
Inventors: Bela Elek (Wilmington, DE), Daniel D. Friel, Sr. (Greenville, DE), Abraham Leibson (Lambertville, NJ)
Primary Examiner: Austin Murphy
Assistant Examiner: Roselynne Cody
Application Number: 29/441,495
Type: Grant
Filed: Jan 7, 2013
Date of Patent: Feb 18, 2014
Assignee: Edgecraft Corporation (Avondale, PA)
Inventors: Bela Elek (Wilmington, DE), Daniel D. Friel, Sr. (Greenville, DE), Abraham Leibson (Lambertville, NJ)
Primary Examiner: Austin Murphy
Assistant Examiner: Roselynne Cody
Application Number: 29/441,495
Classifications
Current U.S. Class:
D8/63