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The ornamental design for a breathing filter, as shown and described.
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FIG. 1 is a top perspective view of the breathing filter of the present invention.
FIG. 2 is a front elevation view of the breathing filter shown in FIG. 1, the back elevation view of the breathing filter being identical thereto.
FIG. 3 is a top plan view of the breathing filter shown in FIG. 1.
FIG. 4 is a side elevation view showing a side of the breathing filter shown in FIG. 1, the opposite side elevation view of the breathing filter being identical thereto.
FIG. 5 is a bottom plan view of the breathing filter shown in FIG. 1; and,
FIG. 6 is a bottom perspective view of the breathing filter shown in FIG. 1.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 10 2005 | CLAWSON, BURRELL E | ENTERNET MEDICAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016294 | /0855 | |
| Feb 11 2005 | Enternet Medical, Inc. | (assignment on the face of the patent) | / |
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