USD275752SExpiredUtility

Telephone control unit

96
Assignee: MITEL CORPPriority: Sep 15, 1981Filed: Mar 9, 1982Granted: Oct 2, 1984
Est. expirySep 15, 2001(expired)· nominal 20-yr term from priority
Inventors:John A. Mahan
96
PatentIndex Score
59
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone control unit, substantially as shown.

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