Radon monitor

- Rad Elec Inc.
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Description

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.

Referenced Cited
U.S. Patent Documents
D259865 July 14, 1981 Struby
D269858 July 26, 1983 Alter
4518860 May 21, 1985 Alter et al.
4814608 March 21, 1989 Dempsey et al.
4853536 August 1, 1989 Dempsey et al.
4948970 August 14, 1990 Port et al.
4980550 December 25, 1990 Port et al.
Patent History
Patent number: D318022
Type: Grant
Filed: Mar 2, 1989
Date of Patent: Jul 9, 1991
Assignee: Rad Elec Inc. (Frederick, MD)
Inventor: Robert W. Ramsey, Jr. (Damascus, MD)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Cushman, Darby & Cushman
Application Number: 7/317,791
Classifications
Current U.S. Class: Radiation, E.g., Geiger Counter (D10/47)