The ornamental design for a mountingpole with mountingplate assembly for a mobiledeviceholder, as shown and described.
FIG. 1 is a perspective view thereof from the front top left;
FIG. 2 is a perspective view thereof from the front top left;
FIG. 3 is an elevational view thereof from the front;
FIG. 4 is an elevational view thereof from the rear;
FIG. 5 is an elevational view thereof from the left;
FIG. 6 is an elevational view thereof from the right;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view thereof from the rear top left.
The broken lines in FIG. 1 depict environment for the mounting pole with mounting plate assembly for a mobile device holder, and portions of the mounting pole with mounting plate assembly for a mobile device holder that form no part of the claimed design.
The broken lines in FIGS. 2-8 depict portions of the mounting pole with mounting plate assembly for a mobile device holder that form no part of the claimed design.