IP Library › Granted Patent US 640,523
Granted Patent S1
US 640,523 · App. 29/363,203 · Granted Jun 28, 2011

Four stage sharpener

Assignee: Wusthof-Trident of America, Inc.
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Quick Facts
Patent No.
US 640,523
App. No.
29/363,203
Granted
Jun 28, 2011
Kind
S1
Claims (1)

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

Assignments (2)
CHANGE OF NAME Recorded Jul 29, 2020
From: WUSTHOF-TRIDENT OF AMERICA, INC.
To: WÜSTHOF USA, INC.
Reel/Frame 053349/0229 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2010
From: STUTZ, RENE HENRY; KRANE, ROBERT; CHIT, CYNTHIA F.
To: WUSTHOF-TRIDENT OF AMERICA, INC.
Reel/Frame 024724/0597 →