Torque increasing wrench attachment
Description
Claims
The ornamental design for a torque increasing wrench attachment, as shown and described.
Referenced Cited
U.S. Patent Documents
2842020 | July 1958 | Tarquinio |
3296899 | January 1967 | Portanova |
3353428 | November 1967 | Herr |
3412635 | November 1968 | Chmielewski |
3424212 | January 1969 | Kemper |
4060115 | November 29, 1977 | Bocanegra Marquina |
4170909 | October 16, 1979 | Wagner |
4308770 | January 5, 1982 | MacDonald |
4790392 | December 13, 1988 | Clements |
4806170 | February 21, 1989 | Doty |
5671643 | September 30, 1997 | Henkhaus |
6662692 | December 16, 2003 | Anderson et al. |
7036402 | May 2, 2006 | Marks et al. |
7155998 | January 2, 2007 | Shyu |
D634595 | March 22, 2011 | Tyson |
20050087045 | April 28, 2005 | Gryciuk et al. |
20110030146 | February 10, 2011 | Wu |
Patent History
Patent number: D689751
Type: Grant
Filed: Feb 7, 2013
Date of Patent: Sep 17, 2013
Inventor: Ted A. Kalinowski (Grand Rapids, MI)
Primary Examiner: Randall Gholson
Application Number: 29/445,065
Type: Grant
Filed: Feb 7, 2013
Date of Patent: Sep 17, 2013
Inventor: Ted A. Kalinowski (Grand Rapids, MI)
Primary Examiner: Randall Gholson
Application Number: 29/445,065
Classifications
Current U.S. Class:
D8/24