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The ornamental design for toothbrush head with stepped bristle array, as shown and described.
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FIG. 1 is a perspective view of my ornamental design for a toothbrush head;
FIG. 2 is a front view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a side view thereof, the opposite side being a mirror image of that shown.
The broken line showing of environmental structure in FIGS. 1 and 4 is for illustrative purposes only and forms no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 28 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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