Twin wind turbine power system
Description
The portions of the claim shown in broken lines in
Claims
The ornamental design for a twin wind turbine power system, as shown and described.
Referenced Cited
U.S. Patent Documents
| 1441774 | January 1923 | Adams |
| D252572 | August 7, 1979 | Hanson |
| D252877 | September 11, 1979 | Hanson |
| 4321005 | March 23, 1982 | Black |
| 4365929 | December 28, 1982 | Retz |
| D267951 | February 15, 1983 | Smith |
| 4649284 | March 10, 1987 | Hsech-Pen |
| 4687415 | August 18, 1987 | Bender |
| D305419 | January 9, 1990 | Korneski |
| 6345957 | February 12, 2002 | Szpur |
| 6674181 | January 6, 2004 | Harbison |
| D511495 | November 15, 2005 | Okubo et al. |
Patent History
Patent number: D587196
Type: Grant
Filed: Oct 19, 2007
Date of Patent: Feb 24, 2009
Inventor: Wun C. Chong (Delta, BC)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Oyen Wiggs Green & Mutala LLP
Application Number: 29/296,424
Type: Grant
Filed: Oct 19, 2007
Date of Patent: Feb 24, 2009
Inventor: Wun C. Chong (Delta, BC)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Oyen Wiggs Green & Mutala LLP
Application Number: 29/296,424
Classifications
Current U.S. Class:
Wind Or Hand Powered (D13/115)