The ornamental design for a swimmingpropulsiondevice, as shown.
This invention was made with Government support under Contract No. W91INF-05-9-0002 awarded by the U.S. Army RDECOM ACQ CTR. The Government has certain rights in the invention.
FIG. 1 is a front-bottom perspective view of a swimming propulsion device showing the claimed design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof
FIG. 5 is a right side view thereof;
FIG. 6 is a front-top perspective view thereof; and,