Knife sharpener
Latest JIANGYIN DIAMOND TOOLS CO., LTD. Patents:
Description
Claims
The ornamental design for a knife sharpener, as shown and described.
Referenced Cited
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Patent History
Patent number: D898539
Type: Grant
Filed: Apr 28, 2020
Date of Patent: Oct 13, 2020
Assignee: JIANGYIN DIAMOND TOOLS CO., LTD. (Jiangyin, Jiangsu)
Inventor: Dongchen Huagn (Jiangsu)
Primary Examiner: Keli L Hill
Assistant Examiner: Harold E Blackwell, II
Application Number: 29/732,871
Type: Grant
Filed: Apr 28, 2020
Date of Patent: Oct 13, 2020
Assignee: JIANGYIN DIAMOND TOOLS CO., LTD. (Jiangyin, Jiangsu)
Inventor: Dongchen Huagn (Jiangsu)
Primary Examiner: Keli L Hill
Assistant Examiner: Harold E Blackwell, II
Application Number: 29/732,871
Classifications
Current U.S. Class:
D8/93;
D8/91