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The ornamental design for collimator for dental x-ray instrument aiming rings, substantially as shown and described. |
FIG. 1 is a perspective view of a collimator for dental x-ray instrument aiming rings, showing my new design;
FIG. 2 is an elevational view thereof, taken from the front side of FIG. 1;
FIG. 3 is a top plan view thereof taken from the top of FIG. 2;
FIG. 4 is a side elevational view thereof, taken from the right hand side of FIG. 2;
FIG. 5 is an elevational view thereof, taken from the back side of FIGS. 1 and 2;
FIG. 6 is a side elevational view taken from the left hand side of FIG. 2;
FIG. 7 is a perspective view of a second embodiment of a collimator for dental x-ray instrument aiming rings;
FIG. 8 is an elevational view thereof, taken from the front side of FIG. 7;
FIG. 9 is a top plan view thereof, taken from the top of FIG. 8;
FIG. 10 is a side elevational view thereof, taken from the right hand side of FIG. 8;
FIG. 11 is an elevational view thereof, taken from the back side of FIGS. 7 and 8.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 20 1982 | SICO, NICHOLAS J JR | RINN CORPORATION A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004098 | 0610 | |
Feb 07 1983 | Rinn Corporation | (assignment on the face of the patent) | ||||
Aug 28 1990 | KESTREL DENTAL CORPORATION | Midwest Dental Products Corporation | MERGER SEE DOCUMENT FOR DETAILS EFFECTIVE ON 08 28 1990DE | 005805 | 0579 | |
Sep 20 1994 | Midwest Dental Products Corporation | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007152 | 0151 |
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