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The ornamental design for a matrix band retainer, as shown. |
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FIG. 1 is a front elevation of a matrix band retainer showing my new design;
FIG. 2 is a rear elevation thereof;
FIG. 3 is a side elevation as seen from the right;
FIG. 4 is an elevation as seen from the side opposite FIG. 3;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 3411214, | |||
| 3854210, | |||
| 3921299, | |||
| 230360, | |||
| D253191, | Oct 31 1977 | Marvin M. Stark Research Foundation | Dental matrix band |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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