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The ornamental design for an electronic calculator, as shown. |
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FIG. 1 is a top plan view of an electronic calculator showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a perspective view thereof.
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| D422972, | Apr 15 1999 | Electronic organizer | |
| D777723, | Jun 10 2014 | Digital recipe organizer and display |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 23 1986 | IDO, YUKINORI | CASIO COMPUTER CO , LTD , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004697 | /0867 | |
| Apr 20 1987 | Casio Computer Co., Ltd. | (assignment on the face of the patent) | / |
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