Respiration mask

The ornamental design for a respiration mask, as shown and described.

FIG. 1 is a side elevational view of a respiration mask showing my new design,

FIG. 2 is a front plan view of the respiration mask of FIG. 1, and

FIG. 3 is a back plan view of the respiration mask of FIGS. 1 and 2.

Patent	Priority	Assignee	Title
6629531,	Apr 17 2000	AVOX SYSTEMS INC	Respiratory mask and service module

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Mar 04 1980		Sunstroms Respiratorer AB	(assignment on the face of the patent)

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