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The ornamental design for an air heater, as shown and described. |
FIG. 1 is a perspective view of an air 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;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of environmental structure in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 19 1994 | CHEN, CHENG-HO | YEI LI ELECTRICAL WORKS CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007029 | /0834 | |
Mar 19 1994 | CHEN, CHENG-HO | YEL LI ELECTRICAL WORKS CO , LTD | RECORD TO CORRECT ASSIGNEE S NAME PREVIOUSLY RECORDED AT REEL 7029 AND FRAMES 0834-0835 | 007154 | /0807 | |
Apr 06 1994 | Yel Li Electrical Works Co., Ltd. | (assignment on the face of the patent) | / |
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