Twin function graphic equalizer

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Description

FIG. 1 is a front elevational view of twin function graphic equalizer showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D225112 November 1972 Yeomans
D244299 May 10, 1977 Veale
D279182 June 11, 1985 Sheck, Jr.
D288198 February 10, 1987 Stoddard et al.
Other references
  • Radio Shack 1986 Catalog, p. 28, top-12-Band Equalizer. Crutchfield Winter/Spring 1983 Catalog, p. 61, top-left-Pioneer Model SG-300.
Patent History
Patent number: D303971
Type: Grant
Filed: Mar 31, 1986
Date of Patent: Oct 10, 1989
Inventor: Shiro Arai (Chikusaku, Nagoya 464)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Kirschstein, Ottinger, Israel & Schiffmiller
Application Number: 6/817,434
Classifications
Current U.S. Class: Element Or Attachment (11) (D14/217)