| 
 | The ornamental design for a face mask, as shown and described. | |||||||||||||||||
The hatching in 
The broken lines shown herein are for illustrative purposes only to show environmental features and form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Oct 11 2011 | OMOTO, SUSUMU | NICHIEI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027243/ | 0533 | |
| Nov 17 2011 | Nichiei Co., Ltd. | (assignment on the face of the patent) | / | 
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