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The ornamental design for a grinding head, as shown and described. |
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FIG. 1 is a front elevational view of a grinding head showing my new design;
FIG. 2 is a rear elevational view, the left and right side views being identical;
FIG. 3 is a top plan view; and,
FIG. 4 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 22 1990 | ACHESON, DONALD J | FEDERAL BEVEL, INC , A CORP OF IN | ASSIGNMENT OF ASSIGNORS INTEREST | 005274 | /0840 | |
| Feb 26 1990 | Federal Bevel | (assignment on the face of the patent) | / |
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