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The design for a tonometer, substantially, as shown and described. |
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FIG. 1 is a perspective view of a tonometer showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
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| D670813, | Nov 08 2007 | Haag-Streit AG | Tonometer |
| D986081, | Mar 02 2021 | ICARE FINLAND OY | Tonometer |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 02 1999 | COX, DANIEL | Haag-Streit AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010068 | /0478 | |
| Jun 28 1999 | Haag-Streit AG | (assignment on the face of the patent) | / |
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