Array of heater modules in a food service cart
FIG. 1 is a front elevational view of an array of heater modules in a food service cart showing our new design; 
     FIG. 2 is a side elevational view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a bottom plan view thereof; 
     FIG. 5 is a top plan view of a second embodiment of the array of heater modules in a food service cart, the bottom view being the same as the first embodiment shown in FIG. 4; 
     FIG. 6 is a top perspective view of FIG. 3; and, 
     FIG. 7 is a top perspective view of FIG. 1. 
     The broken lines shown in FIGS. 1 through 7 are for illustrative purposes only and form no part of the claimed design.