USD316553SExpiredUtility

Audio amplifier

Assignee: MISSION INTERNATIONAL LTDPriority: Nov 13, 1987Filed: Apr 26, 1988Granted: Apr 30, 1991

Est. expiryNov 13, 2007(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an audio amplifier, as shown.

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