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The ornamental design for a whetstone, as shown and described. |
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FIG. 1 is a top perspective view of a whetstone showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a front elevational view thereof.
Kanamaru, Yutaka, Shohoji, Takeshi
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 08 1985 | SHOHOJI, TAKESHI | Ryobi Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 004380 | /0511 | |
| Jan 08 1985 | KANAMARU, YUTAKA | Ryobi Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 004380 | /0511 | |
| Mar 05 1985 | Ryobi Limited | (assignment on the face of the patent) | / |
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