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The ornamental design for a dental shade guide, as shown and described. |
FIG. 1 is a bottom, front and left side perspective view of a dental shade guide showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof, the left side being a mirror image;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Drake, Gerald E., Longhini, Ross A., Kvitrud, James R., Neisse, Daryl L.
Patent | Priority | Assignee | Title |
D372081, | Jan 19 1995 | Ceramco Inc. | Dental shade guide |
D585138, | Mar 20 2008 | 3M Innovative Properties Company | Shade guide capsule |
D587809, | Mar 20 2008 | 3M Innovative Properties Company | Shade guide capsule |
D758591, | Jun 20 2013 | Ivoclar Vivadent AG | Shade guide |
D925042, | Mar 12 2019 | SOLVENTUM INTELLECTUAL PROPERTIES COMPANY | Dental composite shade guide |
Patent | Priority | Assignee | Title |
1518608, | |||
2249634, | |||
2262641, | |||
2765534, | |||
2805478, | |||
3521357, | |||
4115922, | Sep 20 1976 | Dental crown and bridge shading system | |
4618325, | Mar 18 1985 | Custom dental shade guide tab | |
4810193, | Apr 23 1987 | Tooth shade guide casting form |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 10 1990 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / | |||
Aug 10 1990 | NEISSE, DARYL L | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005408 | /0964 | |
Aug 10 1990 | LONGHINI, ROSS A | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005408 | /0964 | |
Aug 10 1990 | DRAKE, GERALD E | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005408 | /0964 | |
Aug 10 1990 | KVITRUD, JAMES R | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005408 | /0964 |
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