USD255684SExpiredUtility

Response tracer amplifier unit having graphic amplifier response display for stereo sound systems and the like

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Assignee: SPARKOMATIC CORPPriority: Mar 21, 1978Filed: Mar 21, 1978Granted: Jul 1, 1980
Est. expiryMar 21, 1998(expired)· nominal 20-yr term from priority
Inventors:John F. Castagna
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PatentIndex Score
2
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a response tracer amplifier unit having graphic amplifier response display for stereo sound systems and the like, as shown and described.

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