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The ornamental design for a grinding cup, as shown and described.
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FIG. 1 is a perspective view of the grinding cup;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
Kim, See Hyung, Chang, Joon Ho
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 08 2001 | KIM, SEE HYUNG | EHWA DIAMOND INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012323 | /0426 | |
| Nov 08 2001 | CHANG, JOON HO | EHWA DIAMOND INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012323 | /0426 | |
| Nov 16 2001 | Ehwa Diamond Industrial Co., Ltd. | (assignment on the face of the patent) | / |
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