Three stage knife sharpener
Latest Ed. Wuesthof Dreizackwerk KG Patents:
Description
The broken lines in the drawings illustrate portions of the three stage knife sharpener that form no part of the claim.
Claims
The ornamental design for a three stage knife sharpener, as shown and described.
Patent History
Patent number: D680399
Type: Grant
Filed: Jul 18, 2012
Date of Patent: Apr 23, 2013
Assignees: Ed. Wuesthof Dreizackwerk KG (Solingen), Edgecraft Corporation (Avondale, PA)
Inventors: Bela Elek (Wilmington, DE), Bjoern Berger (Dusseldorf), Daniel D. Friel, Sr. (Greenville, DE)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/427,444
Type: Grant
Filed: Jul 18, 2012
Date of Patent: Apr 23, 2013
Assignees: Ed. Wuesthof Dreizackwerk KG (Solingen), Edgecraft Corporation (Avondale, PA)
Inventors: Bela Elek (Wilmington, DE), Bjoern Berger (Dusseldorf), Daniel D. Friel, Sr. (Greenville, DE)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/427,444
Classifications
Current U.S. Class:
D8/63