USD251783SExpiredUtility
Combined microphone and loudspeaker for a communication radio installation
Est. expiryApr 22, 1997(expired)· nominal 20-yr term from priority
Inventors:Jan E. Orn
33
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined microphone and loudspeaker for a communication radio installation, as shown.
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