USD464957SExpiredUtility
Telephone conferencing device
Est. expiryJul 5, 2021(expired)· nominal 20-yr term from priority
Inventors:Darren S. Guccione
50
PatentIndex Score
7
Cited by
21
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a telephone conferencing device, as shown and described.
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