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The ornamental design for a combined ruler and electronic calculator, substantially as shown and described. |
FIG. 1 is a top plan view of a combined ruler and electronic calculator showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view of a second embodiment of my new design of FIGS. 1-5.
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front elevational view thereof;
FIG. 9 is a left side elevational view thereof;
FIG. 10 is a right side elevational view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 17 1982 | LI, ROBERT S K | RJP Electronics Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 004085 | /0398 | |
Dec 29 1982 | RJP Electronics Limited | (assignment on the face of the patent) | / |
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