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			 The ornamental design for document feeder, as shown and described.  | 
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FIG. 1 is a front and top-left perspective view of a document feeder showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and
FIG. 7 is a bottom plan view thereof.
Ishii, Hideki, Serbinski, Andrew T.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Dec 17 1985 | ISHII, HIDEKI | RICHO COMPANY, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004503 | /0059 | |
| Jan 02 1986 | SERBINSKI, ANDREW T | RICHO COMPANY, LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004503 | /0059 | |
| Jan 08 1986 | Ricoh Company, Ltd. | (assignment on the face of the patent) | / | 
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