FIG. 1 is a top perspective view of a first embodiment of a viscous material mixer showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevational view thereof, a rear elevation view being identical thereto;
FIG. 4 is a right side elevational view thereof, a left side elevational view being identical thereto;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top perspective view of a second embodiment of a viscous material mixer showing my new design;
FIG. 8 is a bottom perspective view thereof;
FIG. 9 is a front elevational view thereof, a rear elevation view being identical thereto;
FIG. 10 is a right side elevational view thereof, a left side elevational view being identical thereto;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a top perspective view of a third embodiment of a viscous material mixer showing my new design;
FIG. 14 is a bottom perspective view thereof;
FIG. 15 is a front elevational view thereof, a rear elevation view being identical thereto;
FIG. 16 is a right side elevational view thereof, a left side elevational view being identical thereto;
FIG. 17 is a top plan view thereof; and,
FIG. 18 is a bottom plan view thereof.
The “dash-dot” broken lines within the brackets show a symbolic break in the viscous material mixer's length. The appearance of any portion of the article between the break lines form no part of the claimed design.