USD331063SExpiredUtility

Touch dial key pad speaker telephone for a "clean room" or the like

71
Assignee: GAI TRONICSPriority: Sep 20, 1990Filed: Sep 20, 1990Granted: Nov 17, 1992
Est. expirySep 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Bernard B. Pasierb
71
PatentIndex Score
24
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The 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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