IP Library › Granted Patent US 1,136,856
Granted Patent S1
US 1,136,856 · App. 29/950,380 · Granted Jul 28, 2026

Knife sharpener

Inventor: Jacob D. Dovel (Ashland, OR)
Assignee: Darex, LLC
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Quick Facts
Patent No.
US 1,136,856
App. No.
29/950,380
Granted
Jul 28, 2026
Kind
S1
Claims (1)

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

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 2, 2024
From: DOVEL, JACOB D.
To: DAREX, LLC
Reel/Frame 067897/0473 →
References Cited (20)
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Cold Steel Double Sided Folding Knife Sharpener https://www.coldsteel.com/double-sided-folding-knife-sharpener/ downloaded from the internet Mar. 13, 2026 (Year: 2026). [cited by examiner]