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The ornamental design for a calculator, as shown and described. |
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FIG. 1 is a top plan view of a calculator showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a left side elevational view, the right side being a mirror image;
FIG. 4 is a rear elevational view; and
FIG. 5 is a bottom plan view.
Both the keyboard and display portions of the calculator are transparent throughout the thickness of the calculator.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 03 1987 | WONG, ROBERT | Joseph Leeb Enterprises | ASSIGNMENT OF ASSIGNORS INTEREST | 004758 | /0740 | |
| Aug 07 1987 | Joseph Leeb Enterprises | (assignment on the face of the patent) | / |
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