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The ornamental design for a nasal mask, as shown and described. |
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FIG. 1 is a front perspective view of a nasal mask showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view thereof, the opposite side being a mirror image thereto;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The portions drawn in broken lines are shown for illustrative purposes only and do not form part of the claimed design.
Miceli, Jr., Joseph M., Barnett, Shari S.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 10 1999 | Respironics, Inc. | (assignment on the face of the patent) | / | |||
| Feb 08 2000 | KOPACKO, RALPH E | Respironics, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010633 | /0844 | |
| Feb 08 2000 | PAUL, ZACHERY D | Respironics, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010633 | /0844 | |
| Feb 08 2000 | MICELI, JOSEPH JR | Respironics, Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010633 | /0844 | |
| Jun 27 2002 | Respironics, Inc | RIC Investments, Inc | DIVIDEND FROM SUBSIDIARY TO PARENT | 016741 | /0570 | |
| Mar 17 2004 | RIC Investments, Inc | RIC Investments, LLC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 016747 | /0177 |
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