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The ornamental design for a "petri dish," as shown and described. |
FIG. 1 is the front perspective view showing my new design;
FIG. 2 is the front view thereof;
FIG. 3 is the left hand view thereof;
FIG. 4 is the top view thereof;
FIG. 5 is the rear view thereof;
FIG. 6 is the right hand view thereof; and,
FIG. 7 is the bottom view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 29 1999 | CHOI, DAVID CHUNG-WAI | EDU-SCIENCE H K LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009785 | /0453 | |
Feb 18 1999 | Edu-Science (H.K.) Ltd. | (assignment on the face of the patent) | / |
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