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The ornamental design for a heater, as shown. |
FIG. 1 is a perspective view of a heater showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a side elevational view thereof, taken from the left of FIG. 1; and
FIG. 7 is a side elevational view thereof, taken from the right of FIG. 1.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 08 1975 | Firma Elektro-Warme Technik | (assignment on the face of the patent) | / |
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