USD309305SExpiredUtility

Microphone

Assignee: VON HALL ROLFPriority: Mar 10, 1988Filed: Mar 10, 1988Granted: Jul 17, 1990

Est. expiryMar 10, 2008(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a microphone, as shown and described.

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