| 5259062 | Air treatment apparatus utilizing interchangeable cartridges | November, 1993 | Pelonis | 392/365 |
FIG. 1 is a perspective view of a portable forced-air electric heater showing my design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.