IP Library › Granted Patent US 506,665
Granted Patent S1
US 506,665 · App. 29/194,952 · Granted Jun 28, 2005

Doorknob

Assignee: Tung Lung Metal Industry Co., Ltd.
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Quick Facts
Patent No.
US 506,665
App. No.
29/194,952
Granted
Jun 28, 2005
Kind
S1
Claims (1)

The ornamental design for a doorknob, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Oct 25, 2006
From: MASTER LOCK COMPANY
To: MASTER LOCK COMPANY LLC
Reel/Frame 018420/0873 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2006
From: TONG LUNG METAL INDUSTRY CO., LTD.
To: MASTER LOCK COMPANY, LLC
Reel/Frame 016996/0488 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 3, 2003
From: SUN, CHIA MIN; YANG, JU LIN
To: TUNG LUNG METAL INDUSTRY CO., LTD.
Reel/Frame 014759/0993 →
Priority Claims (1)
TW 92305024 · Aug 15, 2003 · national