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The ornamental design for a ball chair, as shown.
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FIG. 1 is a perspective view of the ball chair showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plain view thereof; and,
FIG. 7 is a bottom plain view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 01 2011 | CHIU, CIBER | FAMOSA CORP | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 026646 | /0985 |
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