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The ornamental design for a protective bumper, as shown and described. |
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FIG. 1 is an isometric view of a protective bumper showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is an elevational view of the left or right side of FIG. 2, shown in an upended position;
FIG. 4 is an elevational view of the front or rear side of FIG. 2; and,
FIG. 5 is a bottom view thereof.
The partial stippling shown in FIG. 5 is understood to continue throughout the bottom surface of the bumper.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 12 1995 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / | |||
| Dec 12 1995 | ENGBERG, ROBERT J | Minnesota Mining and Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007828 | /0336 |
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