Patent
   D440479
Priority
Mar 22 2000
Filed
Mar 22 2000
Issued
Apr 17 2001
Expiry
Apr 17 2015
Assg.orig
Entity
unknown
31
9
n/a
The ornamental design for a screw driver, as shown and described.

FIG. 1 is a perspective view of screw driver showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Hsiao, Hsuan-Sen

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Patent Priority Assignee Title
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