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			 The ornamental design for an electro-magnetic induction heater, as shown and described.  | 
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FIG. 1 is a perspective view of the electro-magnetic induction heater showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof; and
FIG. 7 is a left side elevational view thereof.
Fujii, Hiroshi, Sugiyama, Masakazu, Ayukawa, Isao, Iwahashi, Wataru
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Feb 18 1983 | AYUKAWA, ISAO | Sharp Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004139 | /0229 | |
| Feb 18 1983 | FUJII, HIROSHI | Sharp Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004139 | /0229 | |
| Feb 18 1983 | SUGIYAMA, MASAKAZU | Sharp Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004139 | /0229 | |
| Feb 18 1983 | IWAHASHI, WATARU | Sharp Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 004139 | /0229 | |
| Feb 23 1983 | Sharp Corporation | (assignment on the face of the patent) | / | |||
| Sep 09 1983 | AYUKAWA, ISAO | SHARP KABUSHIKI KAISHA SHARP CORPORATION OSAKA, JAPAN A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004173 | /0432 | |
| Sep 09 1983 | FUJII, HIROSHI | SHARP KABUSHIKI KAISHA SHARP CORPORATION OSAKA, JAPAN A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004173 | /0432 | |
| Sep 09 1983 | SUGIYAMA, MASAKAZU | SHARP KABUSHIKI KAISHA SHARP CORPORATION OSAKA, JAPAN A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004173 | /0432 | |
| Sep 09 1983 | IWAHASHI, WATARU | SHARP KABUSHIKI KAISHA SHARP CORPORATION OSAKA, JAPAN A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004173 | /0432 | 
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