Ratchet wrench
Latest Lea Way Hand Tool Corporation Patents:
Description
Broken lines depicting the switch of the wrenches form no part of the subject matter as claimed.
Claims
The ornamental design for a ratchet wrench, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D340175 | October 12, 1993 | Mann |
D403215 | December 29, 1998 | Hsieh |
5996453 | December 7, 1999 | Blacklock |
D474381 | May 13, 2003 | Lee et al. |
6647834 | November 18, 2003 | Hu |
D486366 | February 10, 2004 | Tuanmu |
D486708 | February 17, 2004 | Tuanmu |
D488363 | April 13, 2004 | McGovern et al. |
6948407 | September 27, 2005 | Hsien |
20020088314 | July 11, 2002 | Wambem |
- Snap-on tool catalog, dated 1990 p. 108.
- The Catalogue of the World Top Brand Tools (1993).
Patent History
Patent number: D547150
Type: Grant
Filed: Dec 15, 2004
Date of Patent: Jul 24, 2007
Assignee: Lea Way Hand Tool Corporation (Taichung)
Inventor: Hsien-Chung Tuanmu (Taichung)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall H. Gholson
Attorney: Ladas & Parry LLP
Application Number: 29/219,349
Type: Grant
Filed: Dec 15, 2004
Date of Patent: Jul 24, 2007
Assignee: Lea Way Hand Tool Corporation (Taichung)
Inventor: Hsien-Chung Tuanmu (Taichung)
Primary Examiner: Raphael Barkai
Assistant Examiner: Randall H. Gholson
Attorney: Ladas & Parry LLP
Application Number: 29/219,349
Classifications
Current U.S. Class:
D8/25