US D351841 S
FIG. 1 is a top, right and front perspective view of a handheld portable modem showing our new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a left side elevational view; and,
FIG. 4 is a bottom plan view.
The broken line matter shown in FIGS. 1, 3 and 4 is for illustrative purposes only and forms no part of the claimed design.