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The ornamental design for a helmet, substantially as shown and described. |
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FIG. 1 is a right perspective view of a helmet showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof.
The conventional chin strap as seen in FIGS. 1-4 and 6 is fragmented for the convenience of illustration.
Splane, Jr., Robson L., Knadle, Welton U.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 03 1978 | Wilmark Designs, Inc. | (assignment on the face of the patent) | / |
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