US D421992 S
Abstract available in
FIG. 1 is a front elevational view of a key matrix for a telephone handset showing our new design:
FIG. 2 is a lower front, right side perspective view thereof; and,
FIG. 3 is an upper front, left side perspective 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.