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The ornamental design for a door closer, as shown and described. |
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FIG. 1 is a first end view of the embodiment of the present invention.
FIG. 2 is a second end view opposite to the first end view of FIG. 1 of the embodiment of the present invention.
FIG. 3 is a front view of the embodiment of the present invention.
FIG. 4 is a rear view of the embodiment of the present invention.
FIG. 5 is a top view of the embodiment of the present invention.
FIG. 6 is a bottom view of the embodiment of the present invention.
FIG. 7 is an isometric view of the embodiment of the present invention; and,
FIG. 8 is the front view of the door closer, with the door shown in broken lines, illustrating the environment in which the door closer may be used.
The broken lines are shown for illustrative purposes only and form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 01 1999 | Dorma GmbH + Co. KG | (assignment on the face of the patent) | / | |||
| Oct 12 1999 | GINZEL, OLAF | DORMA GMBH + CO KG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010439 | /0809 | |
| Oct 18 1999 | FENGLER, RAINER | DORMA GMBH + CO KG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010439 | /0809 |
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