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The ornamental design for a helicopter, as shown and described. |
FIG. 1 is a perspective view of helicopter showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a larger scale fragmentary right side elevational view of the top central portion thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 21 1997 | LAI, HSING-HSIUNG | LIGHT S AMERICAN SPORTSCOPTER INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008786 | /0928 | |
Nov 06 1997 | Light's American Sportscopter Inc. | (assignment on the face of the patent) | / |
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