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The ornamental design for a grinding disc, as shown and described.
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FIG. 1 is a front perspective view of a grinding disc showing a first embodiment of our new design;
FIG. 2 is a rear perspective thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 6 is a top view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 7 is a front perspective view of a grinding disc showing a second embodiment of our new design;
FIG. 8 is a rear perspective thereof;
FIG. 9 is a front view thereof;
FIG. 10 is a rear view thereof;
FIG. 11 is a left side view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 12 is a top view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 13 is a front perspective view of a grinding disc showing a third embodiment of our new design;
FIG. 14 is a rear perspective thereof;
FIG. 15 is a front view thereof;
FIG. 16 is a rear view thereof;
FIG. 17 is a left side view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 18 is a top view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 19 is a front perspective view of a grinding disc showing a fourth embodiment of our new design;
FIG. 20 is a rear perspective thereof;
FIG. 21 is a front view thereof;
FIG. 22 is a rear view thereof;
FIG. 23 is a left side view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 24 is a top view thereof; and,
FIG. 25 is a bottom view thereof.
Sunagawa, Katsuji, Murata, Hisayuki
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 24 2003 | SUNAGAWA, KATSUJI | SANWA KENMA, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013726 | /0833 | |
Jan 24 2003 | MURATA, HISAYUKI | SANWA KENMA, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013726 | /0833 | |
Feb 01 2003 | Sanwa Kenma, Ltd. | (assignment on the face of the patent) | / |
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