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			 We claim the ornamental design of a developer unit for an image forming apparatus, as shown.                                                        | 
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FIG. 1 is a front elevation view of a developer unit for an image forming apparatus;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof; and,
FIG. 7 is a perspective view thereof.
Nakahata, Akinobu, Kato, Hisahiro, Hashizume, Masahiro
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Apr 16 1997 | HASHIZUME, MASAHIRO | MITA INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008637 | /0681 | |
| Apr 16 1997 | KATO, HISAHIRO | MITA INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008637 | /0681 | |
| Apr 16 1997 | NAKAHATA, AKINOBU | MITA INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008637 | /0681 | |
| May 05 1997 | Mita Industrial Co., Ltd. | (assignment on the face of the patent) | / | 
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