Sound modifying attachment disk for loudspeakers

Description

FIG. 1 is a perspective view of the sound modifying attachment disk for loudspeakers of my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof; and,

FIG. 4 is a side elevational view thereof, the broken line showing of the speaker is for illustrative purposes only, and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D215853 November 1969 Zar et al.
D291601 August 25, 1987 D'Antonio et al.
2077170 April 1937 Harrison
4135601 January 23, 1979 Tsukagoshi et al.
4898260 February 6, 1990 Fang
4939703 July 3, 1990 Muller
Patent History
Patent number: D339138
Type: Grant
Filed: May 8, 1991
Date of Patent: Sep 7, 1993
Inventor: Gin Kon Jung (Iri-City Jungbuk 570-120)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Pennie & Edmonds
Application Number: 7/697,480
Classifications
Current U.S. Class: Speaker (12) (D14/221)