IP Library › Granted Patent US 518,353
Granted Patent S1
US 518,353 · App. 29/226,389 · Granted Apr 4, 2006

Doorknob

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Quick Facts
Patent No.
US 518,353
App. No.
29/226,389
Granted
Apr 4, 2006
Kind
S1
Claims (1)

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

Assignments (1)
CHANGE OF NAME Recorded Oct 25, 2006
From: MASTER LOCK COMPANY
To: MASTER LOCK COMPANY LLC
Reel/Frame 018420/0873 →