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The ornamental design for a dental material curing apparatus, as shown and described. |
FIG. 1 is a top, front and right side perspective view of a dental material curing apparatus showing our new design;
FIG. 2 is a reduced front elevational view thereof;
FIG. 3 is a reduced rear elevational view thereof;
FIG. 4 is a reduced plan view thereof;
FIG. 5 is a reduced bottom view thereof;
FIG. 6 is a reduced right side elevational view thereof; and,
FIG. 7 is a reduced left side elevational view thereof.
Dotterman, Perry S., Ahlberg, Carl S.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 08 1991 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / | |||
Aug 08 1991 | DOTTERMAN, PERRY S | MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 005802 | /0956 | |
Aug 08 1991 | AHLBERG, CARL S | MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 005802 | /0956 |
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