Speaker

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a speaker showing our new design in accordance with this invention;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D222476 October 1971 Ohyama et al.
D238182 December 1975 Kizawa
D248757 August 1, 1978 Bokmiller
D276519 November 27, 1984 Hobrough et al.
D281597 December 3, 1985 Matushima
D291800 September 8, 1987 Morris
D306168 February 20, 1990 Caputo
D318054 July 9, 1991 Kikutani
D328462 August 4, 1992 Christie
D334386 March 30, 1993 Yamazaki
3941207 March 2, 1976 Croup
Other references
  • Stereo Review Jul. 1986 p. 126 "AR Speakers". J&R Music World Christmas '90 p. 43 "Sony SRS-33 Speakers". Hong Kong Enterprise Jun. 1991 p. 171 "Fujikon SP-12". GQ, Sep. 1990, at 164, New York, N.Y.
Patent History
Patent number: D351839
Type: Grant
Filed: Mar 20, 1992
Date of Patent: Oct 25, 1994
Assignee: Polk Investment Corporation (Wilmington, DE)
Inventors: Keith A. Ballard (Baltimore, MD), Allen S. Baron (Baltimore, MD), Gary B. Davis (Lutherville, MD), Christian H. Fink (Towson, MD), Stuart W. Lumsden (Towson, MD), Dale B. Rose (Baltimore, MD), Peter W. Bressler (Philadelphia, PA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Snell & Wilmer
Application Number: 7/854,268