USD247966SExpiredUtility

Portable voice amplifier

Assignee: SIELER GEORGE JEROMEPriority: Jun 10, 1976Filed: Jun 10, 1976Granted: May 23, 1978
Est. expiryJun 10, 1996(expired)· nominal 20-yr term from priority
47
PatentIndex Score
6
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable voice amplifier, as shown.

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