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The ornamental design for a dental furnace, as shown and described. |
FIG. 1 is a front elevational view of a dental furnace showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a back elevational view.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 12 1983 | BOTICH, MICHAEL J | Unitek Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004121 | /0689 | |
Apr 22 1983 | Unitek Corporation | (assignment on the face of the patent) | / | |||
Oct 14 1991 | Unitek Corporation | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005880 | /0871 |
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