FIG. 1 is a perspective view of a trigger pump dispenser showing my new design. The broken line showing of environmental parts is for illustrative purposes only and forms no part of the design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a front elevational view; and,

FIG. 6 is a bottom plan view.

The right side elevation is a mirror image of the left side elevation. The interior of the dispenser is shown in broken lines for illustrative purposes only and forms no part of the claimed design.