Parabolic listening device

Description

FIG. 1 is a front elevational view of a parabloic listening device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
D74615 March 1928 Lyons
2534271 December 1950 Kienow
3553731 January 1971 Szirtes
4022976 May 10, 1977 O'Brien, deceased et al.
5125031 June 23, 1992 Ledonne
Foreign Patent Documents
0037997 March 1982 JPX
0222935 October 1924 GBX
Patent History
Patent number: D356090
Type: Grant
Filed: Dec 13, 1993
Date of Patent: Mar 7, 1995
Inventor: William A. Russell (Schaumburg, IL)
Primary Examiner: Terry A. Wallace
Assistant Examiner: Nanda Bondade
Law Firm: McHale & Slavin
Application Number: 0/16,300