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The ornamental design for a portable calculator, as shown and described.
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FIG. 1 is a top, front and right perspective view of a portable calculator showing my new design;
FIG. 2 is a top front and left perspective view thereof;
FIG. 3 is a top rear and left side perspective view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 05 2001 | MARINI, ADRIANO | OLIVETTI TECNOST S P A | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012027 | /0673 | |
Jul 20 2001 | Olivetti Tecnost S.p.A. | (assignment on the face of the patent) | / |
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