USD331063SExpiredUtility
Touch dial key pad speaker telephone for a "clean room" or the like
Est. expirySep 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Bernard B. Pasierb
71
PatentIndex Score
24
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10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a touch dial key pad speaker telephone for a "clean room" or the like, as shown and described.
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