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The ornamental design for a compact medical oxygen concentrator, as shown and described. |
FIG. 1 is a perspective view of a compact medical oxygen concentrator embodying my new design, showing the front, top, and right side thereof;
FIG. 2 is a perspective view of the device of FIG. 1 showing rear, top, and left side thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and
FIG. 7 is a top plan view thereof.
The broken lines are shown for illustrative purposes only.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 27 1981 | MC COMBS, NORMAN R | GREENE & KELLOGG, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003916 | /0502 | |
Aug 28 1981 | Greene & Kellogg, Inc. | (assignment on the face of the patent) | / | |||
Dec 01 1985 | GREENE & KELLOGG, INC | JOHN BUNN COMPANY, THE | ASSIGNMENT OF ASSIGNORS INTEREST | 004555 | /0939 |
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