USD318431SExpiredUtility

Telephone loop tester

36
Assignee: INDEPENDENT TECH INCPriority: Apr 10, 1989Filed: Apr 10, 1989Granted: Jul 23, 1991
Est. expiryApr 10, 2009(expired)· nominal 20-yr term from priority
Inventors:Dennis C. BloodDavid L. Ingalsbe
36
PatentIndex Score
2
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone loop tester, as shown and described.

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