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The ornamental design for a dental impression tray, substantially as shown. |
FIG. 1 is a perspective view taken from the front and right side of a dental impression tray, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a front elevational view thereof; and
FIG. 6 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 29 1983 | IPCO Corporation | (assignment on the face of the patent) | / | |||
Apr 27 1985 | WEISSMAN, BERNARD | IPCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004424 | /0128 |
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