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The ornamental design for a door closer, as shown. |
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FIG. 1 is a front, top and right side perspective view of a door closer showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 16 1989 | SHIGEHIRO, OSAMU | RYOBI LTD , NO | ASSIGNMENT OF ASSIGNORS INTEREST | 005095 | /0799 | |
| Jun 22 1989 | Ryobi Ltd. | (assignment on the face of the patent) | / |
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