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The ornamental design for a dental impression instrument, substantially as shown. |
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FIG. 1 is a perspective view of dental impression instrument embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view taken from the opposite side from FIG. 1;
FIG. 4 is a front view, taken from the left as viewed in FIG. 1;
FIG. 5 is a rear view, taken from the right as viewed in FIG. 1; and
FIG. 6 is a bottom plan view.
Fujitaki, Roy K., Morisaku, Masao
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 02 1977 | Jack D., Rasmussen | (assignment on the face of the patent) | / |
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