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The ornamental design for a personal filtration device, as shown and described.
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FIG. 1 is an isometric view of a personal filtration device showing my new design.
FIG. 2 is a front plan view thereof.
FIG. 3 is a right side plan view thereof.
FIG. 4 is a left side plan view thereof.
FIG. 5 is a top plan view thereof.
FIG. 6 is a rear plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 29 2004 | Breathe Safe, LLC | (assignment on the face of the patent) | / | |||
| Jul 08 2004 | PEARSON, ALFRED E JR | Breathe Safe, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015090 | /0014 |
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