USD225112S - Audio frequency equalizer - Google Patents
Audio frequency equalizer Download PDFInfo
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- USD225112S USD225112S US D225112 S USD225112 S US D225112S
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- audio frequency
- frequency equalizer
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United States Patent ()fifice fif;
AUDIO FREQUENCY EQUALIZER Ralph F. Yeomans, 1357 Galaxie Drive, Newport Beach, Calif. 92660 Filed June 11, 1971, Ser. No. 152,485
Term of patent 14 years Int. Cl. D1403, 99 US. Cl. D2614 References Cited FIG. 1 is a perspective view of the front of the equal- UNITED STATES PATENTS izer of this invention.
FIG. 2 's 3. rs ectiv view of th I of th ual I of this fzf e 6 car e eq D. 216,640 2/1970 Ohwada et a1. D2614 I claim: D. 217,357 4/1970 Makino D2614 The ornamental design for an audio frequency equal- 11220531 5/1971 llda D26 14 izer, as shown and described. OTHER REFERENCES Allied Electronics, 1969, p. 45, Scott 260B Stereo Amplifier.
BERNARD ANSHER, Primary Examiner
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