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The ornamental design for a helicopter window, as shown. |
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FIG. 1 is a perspective view of a helicopter window showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front perspective view thereof;
FIG. 5 is a rear perspective view thereof;
FIG. 6 is a left side elevation view thereof; and
FIG. 7 is a right side elevation view thereof.
McNab, Robert B., Wolfe, James A.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 29 1999 | MCNAB, ROBERT B | AERONAUTICAL ACCESSORIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010154 | /0760 | |
| Jul 29 1999 | WOLFE, JAMES A | AERONAUTICAL ACCESSORIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010154 | /0760 |
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