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The ornamental design of a hardness testing apparatus, as shown and described. |
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FIG. 1 is a frontal elevational view showing the new design of the present invention;
FIG. 2 is a top plan view showing the new design of the present invention;
FIG. 3 is a rear elevational view showing the new design of the present invention;
FIG. 4 is a bottom view showing the new design of the present invention;
FIG. 5 is a side view showing the new design of the present invention from the right side relative to the view of FIG. 1; and,
FIG. 6 is a side view showing the new design of the present invention from the left side relative to the view of FIG. 1.
Murakami, Tetsuo, Fukumoto, Mitoshi
| Patent | Priority | Assignee | Title |
| D847674, | Jul 14 2017 | Mitutoyo Corporation | Hardness tester |
| D847675, | Jul 14 2017 | Mitutoyo Corporation | Hardness tester |
| D847676, | Jul 14 2017 | Mitutoyo Corporation | Hardness tester |
| D848867, | Jul 14 2017 | Mitutoyo Corporation | Display device for hardness tester |
| D848882, | Jul 14 2017 | Mitutoyo Corporation | Hardness tester |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 26 1993 | Matsuzawa Seiki Kabushikikaisha | (assignment on the face of the patent) | / | |||
| Sep 21 1993 | FUKUMOTO, MITOSHI | Matsuzawa Seiki Kabushikikaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006740 | /0674 | |
| Sep 21 1993 | MURAKAMI, TETSUO | Matsuzawa Seiki Kabushikikaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006740 | /0674 |
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