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The ornamental design for an oxygen humidifier, substantially as shown. |
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FIG. 1 shows a perspective view of our new design for an oxygen humidifier looking downwardly on the top thereof;
FIG. 2 shows a top plan view thereof;
FIG. 3 shows a side elevation view thereof looking from the left frontal side of the showing of FIG. 1; and,
FIG. 4 shows a bottom view thereof.
Hart, Richard E., Biehl, William C.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 11 1980 | Davco Chemicals & Plastics | (assignment on the face of the patent) | / | |||
| Dec 04 1995 | MEDICAL MOLDING CORPORATION OF AMERICA | VITAL SIGNS CA, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010299 | /0795 |
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