Patent
   D551543
Priority
Oct 07 2005
Filed
Oct 07 2005
Issued
Sep 25 2007
Expiry
Sep 25 2021
Assg.orig
Entity
unknown
16
12
n/a
We claim the ornamental design for a double-head screw, as shown and described.

FIG. 1 is a perspective view of a double-head screw showing our new design;

FIG. 2 is a side elevational view thereof, all other side elevational views being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a reduced perspective view showing the double-head screw in use; the broken lines depict environmental structure for illustrative purposes only and form no part of the claimed design.

Williams, Kenneth D., Williams, Teresa A.

Patent Priority Assignee Title
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