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The ornamental design for a helmet with air flow rib structure, as shown and described.
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FIG. 1 is a rear oblique view of a helmet with air flow rib structure showing my new design;
FIG. 2 is a front oblique view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevation view thereof, the opposite side being a mirror image;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof; and,
FIG. 7 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 16 2001 | GREEN, LAWRENCE J | PABBAN DEVELOPMENT, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012231 | /0915 | |
May 07 2001 | Pabban Development, Inc. | (assignment on the face of the patent) | / |
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