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The ornamental design for a large button calculator, as shown and described.
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FIG. 1 is a perspective view of a large button calculator according to our invention.
FIG. 2 is a front side view thereof.
FIG. 3 is a left side view thereof.
FIG. 4 is a right side view thereof.
FIG. 5 is a top view thereof.
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a rear side view thereof, the broken lines shown are for illustrative purposes only and form no part of the claimed design.
Staubitz, Robert, Repp, Timothy C., Joachim, David
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 24 2003 | Royal Consumer Information Products, Inc | (assignment on the face of the patent) | / | |||
| Oct 07 2003 | JOACHIM, DAVID | Royal Consumer Information Products, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014965 | /0371 | |
| Oct 23 2003 | STAUBITZ, ROBERT | Royal Consumer Information Products, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014965 | /0371 | |
| Oct 23 2003 | REPP, TIMOTHY C | Royal Consumer Information Products, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014965 | /0371 |
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