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The ornamental design for a pneumatic grinder, as shown and described. |
FIG. 1 is a front elevational view of a pneumatic grinder showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a rear elevational view of FIG. 1.
Albert, Gregory P., Staubitz, Robert B., Dubuque, Kenneth J., Vanhorn, Kenneth D.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 21 1992 | Ingersoll-Rand Company | (assignment on the face of the patent) | / |
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