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The ornamental design for a dental matrix band, as shown and described. |
FIG. 1 is a top plan view of the dental matrix band, showing the new design;
FIG. 2 is a side elevation of one side thereof;
FIG. 3 is a front elevation thereof;
FIG. 4 is a rear elevation thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a side elevation of the other side thereof.
Stark, Marvin M., VON Weissenfluh, Hans C.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 31 1977 | Marvin M. Stark Research Foundation | (assignment on the face of the patent) | / |
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