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The ornamental design for a calculator, as shown and described.
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FIG. 1 is a front, right, top perspective view of a calculator, showing our new design;
FIG. 2 is a front elevation view thereof,
FIG. 3 is a rear elevation view thereof,
FIG. 4 is a left side view thereof,
FIG. 5 is a right side view thereof,
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Bedol, Mark A., Schultze, Dave
| Patent | Priority | Assignee | Title |
| D679316, | Aug 10 2012 | Infinite Response, Inc.; INFINITE RESPONSE, INC | Calculator |
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| 3845614, | |||
| 20040074675, | |||
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 07 2005 | Mark A., Bedol | (assignment on the face of the patent) | / |
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