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The ornamental design for a radon monitor, as shown and described. |
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FIG. 1 is a top and front perspective view of a radon monitor showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a front elevational view, the rear elevational view being a mirror image;
FIG. 4 is a left side elevational view, the right side elevational view being identical; and
FIG. 5 is a bottom plan view thereof.
The back side is identical in appearance to the front side and the left side is identical in appearance to the right side.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 06 1989 | RAMSEY, ROBERT W JR | RAD ELEC INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005051 | /0469 | |
| Mar 02 1989 | Rad Elec Inc. | (assignment on the face of the patent) | / |
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