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The ornamental design for a dental material curing apparatus, as shown and described. |
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FIG. 1 is a top, front and right side perspective view of a dental material curing apparatus showing our new design, on a reduced scale;
FIG. 2 is a 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 view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The cords are omitted in FIGS. 2 through 7 for convenience of illustration.
Kennedy, John P., Brunsell, Robert E., Dobson, David T.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 14 1993 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / | |||
| Dec 15 1993 | DOBSON, DAVID T | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006910 | /0247 | |
| Dec 21 1993 | KENNEDY, JOHN P | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006910 | /0247 | |
| Jan 03 1994 | BRUNSELL, ROBERT E | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006910 | /0247 |
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