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The ornamental design for an ear muff attachment for safety hat, as shown and described. |
FIG. 1 is a rear perspective view of an ear muff attachment for safety hat showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a front elevational view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 27 1981 | HIGGINSON, JOHN B | PROTECTOR SAFETY INDUSTRIES LIMITED, A CORP OF NEW SOUTH WALES, AUSTRALIA | ASSIGNMENT OF ASSIGNORS INTEREST | 003958 | /0582 | |
Nov 16 1981 | Protector Safety Industries Limited | (assignment on the face of the patent) | / |
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