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The ornamental design for an inflatable football helmet, as shown and described. |
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FIG. 1 is a front elevation view of an inflatable football helmet showing my new design;
FIG. 2 is a right side elevation view thereof; the left side elevation is a mirror image of the right side;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof, and,
FIG. 6 is a bottom perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 10 1993 | Alvimar Manufacturing Co., Inc. | (assignment on the face of the patent) | / |
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