IP Library › Granted Patent US 1,062,410
Granted Patent S1
US 1,062,410 · App. 29/856,867 · Granted Feb 18, 2025

Knife sharpener

Inventors: Bohua Wen (Shaoguan, CN); Xiaocui He (Huizhou, CN)
Assignee: DONGHE BIOTECHNOLOGY (SHENZHEN) CO., LTD.
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Quick Facts
Patent No.
US 1,062,410
App. No.
29/856,867
Granted
Feb 18, 2025
Kind
S1
Claims (1)

The ornamental design for a knife sharpener as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 19, 2022
From: WEN, BOHUA; HE, XIAOCUI
To: DONGHE BIOTECHNOLOGY (SHENZHEN) CO., LTD.
Reel/Frame 061713/0598 →
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KNife Sharpener for Kitchen Knives, by WWN, online at amazon.com, URL/: https://www.amazon.com/dp/B0CL57W3TR/ref=sspa_dk_detail_3?pd_rd_i=B0CL57W3TR&pd_rd_w=BMpW9&content-id=amzn1.sym. First available on Nov. 24, 2023. … [cited by examiner]
Professional Knife Sharpener, by Grihot Store, online at amazon.com, URL/:https://www.amazon.com/Grihot-Professional-3-Function-Self-Adjusting-Sailboat/dp/B0B56XHMNP/ref=asc_df_B0B56XHMNP/? First available on Sep. 4, 20… [cited by examiner]