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The ornamental design for a fan for anti-dust helmet, as shown. |
FIG. 1 is a perspective view taken from the top, front, and one side of a fan for an anti-dust helmet showing our new design;
FIG. 2 is a perspective view taken from the bottom, rear, and side opposite that in FIG. 1;
FIG. 3 is an elevational view taken from the side shown in FIG. 1;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a top plan view thereof.
Odell, Raymond, Lowe, Brian A.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 30 1980 | RACAL ACOUSTIC SERVICES LIMITED | Racal Safety Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 003822 | /0271 | |
Oct 28 1980 | AMPLIVOX COMMUNICATIONS LIMITED CHANGED TO | RACAL ACOUSTIC SERVICES LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003822 | /0279 | |
Oct 28 1980 | RACAL ACOUSTIC SERVICES LIMITED CHANGED TO | RACAL ACOUSTIC SERVICES LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003822 | /0279 | |
Oct 28 1980 | RACAL-AMPLIVOX COMMUNICATIONS LIMITED CHANGED TO | RACAL ACOUSTIC SERVICES LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003822 | /0279 | |
Oct 28 1980 | RACAL AMPLIVOX LIMITED | RACAL ACOUSTIC SERVICES LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003822 | /0279 |
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