I claim the ornamental design for a fluidic dampening device, as shown and described.
FIG. 1 provides a lateral view from the rear of the fluidic dampening device.
FIG. 2 shows a front view of the fluidic dampening device.
FIG. 3 is a lateral view from the left side of the fluidic dampening device.
FIG. 4 is a lateral view from the right side of the fluidic dampening device.
FIG. 5 is a plan view from above the fluidic dampening device.
FIG. 6 shows the bottom of the fluidic dampening device.
FIG. 7 illustrates the fluidic dampening device attached to a triple clamp, which is shown in broken lines for illustrative purposes only and forms no part of the claimed design; and,
FIG. 8 is a perspective view from the left side of the fluidic dampening device, the perspective view from the right side being a mirror image.