Patent
   D381878
Priority
May 24 1996
Filed
May 24 1996
Issued
Aug 05 1997
Expiry
Aug 05 2011
Assg.orig
Entity
unknown
0
3
n/a
The ornmental design for a wrench extension, as shown.

FIG. 1 is a perspective view of a wrench extension showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

Smith, Blair

Patent Priority Assignee Title
Patent Priority Assignee Title
4374479, Dec 11 1980 Torque transfer device for wrench applications
4928558, Dec 15 1988 Torque master
D313731, Sep 02 1988 Ratchet extender
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