The ornamental design for the steam table lifting device, as shown and described.
FIG. 1 is a top perspective view of the present invention.
FIG. 2 is the top view of the present invention.
FIG. 3 is the bottom view of the present invention.
FIG. 4 is the front view of the present invention.
FIG. 5 is the rear view of the present invention.
FIG. 6 is an elevation view of the present invention.
FIG. 7 is the opposite elevation view of the present invention.
FIG. 8 is a top perspective view of the present invention in the environment of use thereof with a steam table; and,
FIG. 9 is a top perspective view of the present invention in the environment of use thereof with multiple steam tables filled with representations of food.
The broken lines in FIGS. 8 and 9 are included for the purpose of illustrating environment and form no part of the claimed design.