IP Library › Granted Patent US 520,897
Granted Patent S1
US 520,897 · App. 29/218,222 · Granted May 16, 2006

Double shank ring

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Quick Facts
Patent No.
US 520,897
App. No.
29/218,222
Granted
May 16, 2006
Kind
S1
Claims (1)

The ornamental design for a double shank ring, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded Jun 23, 2011
From: SANDBERG & SIKORSKI CORPORATION
To: A. JAFFE, INC.
Reel/Frame 026480/0517 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2004
From: SANDBERG, SAM
To: SANDBERG & SIKORSKI CORPORATION
Reel/Frame 016043/0516 →