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Publication numberUSD470821 S1
Publication typeGrant
Application numberUS 29/141,526
Publication dateFeb 25, 2003
Filing dateMay 8, 2001
Priority dateMay 8, 2001
Publication number141526, 29141526, US D470821 S1, US D470821S1, US-S1-D470821, USD470821 S1, USD470821S1
InventorsMartin Sperber, Tibor Urbanek
Original AssigneeViewsonics, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Digital directional coupler
US D470821 S1
Abstract  available in
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  1. The ornamental design for a digital directional coupler, as shown and described.

FIG. 1 is a top plan view of a digital directional coupler showing a new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

U.S. ClassificationD13/151