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The ornamental design for an electric heater, as shown and described.
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FIG. 1 is a top front and left side perspective view of electric 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 left side elevational view thereof;
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a top plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 23 2002 | CHING, CHAN | PERFECT UNION CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012575 | /0951 | |
| Feb 06 2002 | Perfect Union Co., Ltd. | (assignment on the face of the patent) | / |
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