IP Library Granted Patent US 649,989
Granted Patent S1
US 649,989 · App. 29/396,420 · Granted Dec 6, 2011

Dual helical cutter for pencil sharpener

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Quick Facts
Patent No.
US 649,989
App. No.
29/396,420
Granted
Dec 6, 2011
Kind
S1
Claims (1)

The ornamental design for dual helical cutter for a pencil sharpener, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2017
From: ELMER'S PRODUCTS, INC.
To: SANFORD, L.P.
Reel/Frame 041330/0105 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2011
From: DUNLAP, BENJAMIN
To: ELMER'S PRODUCTS, INC.
Reel/Frame 026525/0951 →