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The ornamental design for a roller skate, as shown.
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FIG. 1 is a perspective view of a roller skate according to our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
Cheng, Chen Wei, Tong, Chen Wei, Pei, Chen Wei
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 10 2005 | CHENG, CHEN WEI | K & B INTERNATIONAL LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016224 | /0076 | |
| Jan 10 2005 | TONG, CHEN WEI | K & B INTERNATIONAL LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016224 | /0076 | |
| Jan 10 2005 | PEI, CHEN WEI | K & B INTERNATIONAL LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016224 | /0076 | |
| Jan 24 2005 | K&B International Limited | (assignment on the face of the patent) | / |
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