The ornamental design for a bladecartridgeholder, as shown and described.
FIG. 1 is a perspective view of a blade cartridge holder showing the new design. As shown in FIG. 1, the blade cartridge holder is in a closed position;
FIG. 2 is a side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is another perspective view thereof. As shown in FIG. 7, the blade cartridge holder is in an open position.
The broken lines are included for the purpose of illustrating environmental structure and form no part of the claimed design.