US D428878 S
Abstract available in
FIG. 1 is a front, top and right side perspective view of a key matrix for a telephone handset showing my new design;
FIG. 2 is a front elevational view thereof; and
FIG. 3 is a left side view thereof; and,
FIG. 4 is a bottom plan view thereof.
The dotted lines showing the outline of a telephone handset is for illustration purposes only and forms no part of the claimed invention.