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The ornamental design for a grinding wheel, as shown and described. |
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FIG. 1 is a front view of a grinding wheel showing my new design.
FIG. 2 is a rear view thereof.
FIG. 3 is a top view thereof.
FIG. 4 is a bottom view thereof.
FIG. 5 is a side view thereof.
FIG. 6 is a sectional view, taken in the direction of the arrows on the line VI--VI of FIG. 1.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 01 1982 | YANAGIURA, YOSHIKAZU | NEW REGISTON CO LTD , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 003980 | /0063 | |
| Mar 18 1982 | New Registon Co., Ltd. | (assignment on the face of the patent) | / |
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