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The ornamental design for a letter tray, as shown and described. |
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FIG. 1 is a perspective view of a letter tray showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a right side elevational view.
The ornamentation on the bottom surface is substantially the same as and consistent with that shown in FIGS. 1 through 5.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 18 1978 | Ketcham & McDougall, Inc. | (assignment on the face of the patent) | / |
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