US D320851 S
FIG. 1 is a front perspective view of a laboratory mixer for mixing medical and chemical test samples showing my new design, with the mixing head immersion rod assembly in a vertical orientation;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a front elevational view thereof with the immersion rod in a rotated position;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof; and
FIG. 6 is a left side elevational view thereof.
The broken lines showing a beaker is for illustrative purposes only and forms no part of the claimed design.