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The ornamental design for a stepped bristle array for a toothbrush head, as shown and described.
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FIG. 1 is a perspective view of my ornamental design for a stepped bristle array for a toothbrush head;
FIG. 2 is a front view thereof;
FIG. 3 is a plan, bottom view thereof;
FIG. 4 is a plan, top view thereof; and,
FIG. 5 is a side view thereof.
The broken line showing of a toothbrush head is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 08 2002 | Ergonomic Dental Technologies, Inc. | (assignment on the face of the patent) | / | |||
| Apr 01 2003 | HARADA, STEPHEN D | ERGONOMIC DENTAL TECHNOLOGIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014097 | /0050 |
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