Patent
   D399764
Priority
Apr 13 1992
Filed
May 23 1995
Issued
Oct 20 1998
Expiry
Oct 20 2012
Assg.orig
Entity
unknown
1
8
n/a
The design for test document for scanners, as shown and described.

FIG. 1 is a view, in color, of a test document showing our new design;

FIG. 2 is a view, shaded for black and white, of the design shown in FIG. 1; and,

FIG. 3 is a view of an alternative embodiment of the design shown in FIG. 2.

The omitted views are flat, plain with no substantial thickness.

Ruppert, Werner, Bruegmann, Winfried

Patent Priority Assignee Title
D554543, Nov 08 2006 Hunter Engineering Company Alignment target apparatus
Patent Priority Assignee Title
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4193687, Jun 05 1978 Rockwell International Corporation High resolution alignment technique and apparatus
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D363031, Apr 13 1992 IBM Corporation Test document
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 23 1995International Business Machines Corporation(assignment on the face of the patent)
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