Double key twist
Description
Claims
The ornamental design for a double key twist.
Referenced Cited
Patent History
Patent number: D551848
Type: Grant
Filed: Mar 21, 2006
Date of Patent: Oct 2, 2007
Inventor: Daniel R. Oas (Irwindale, CA)
Primary Examiner: Ralf Seifert
Attorney: Edgar W. Averill, Jr.
Application Number: 29/256,396
Type: Grant
Filed: Mar 21, 2006
Date of Patent: Oct 2, 2007
Inventor: Daniel R. Oas (Irwindale, CA)
Primary Examiner: Ralf Seifert
Attorney: Edgar W. Averill, Jr.
Application Number: 29/256,396
Classifications
Current U.S. Class:
D3/207