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The ornamental design for a dental floss holder, as shown and described. |
FIG. 1 is a top plan view of a first embodiment of my design; the bottom plan view is the mirror image thereof;
FIG. 2 is a left end elevation view of the design of FIG. 1; the right end elevation view is the same;
FIG. 3 is a front elevation of the design of FIG. 1; the rear elevation is the same;
FIG. 4 is a top plan view of a second embodiment of my design; the bottom plan view is the mirror image thereof;
FIG. 5 is a left end elevation view of the design of FIG. 4; the right end elevation view is the same;
FIG. 6 is a front elevation of the design of FIG. 4; the rear elevation view is the same.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 31 1975 | Placontrol, Inc. | (assignment on the face of the patent) | / |
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