USD254654SExpiredUtility

Radio direction finder

5
Individually held — no corporate assignee on recordPriority: Sep 16, 1977Filed: Sep 16, 1977Granted: Apr 8, 1980
Est. expirySep 16, 1997(expired)· nominal 20-yr term from priority
Inventors:Manfred W. Meisels
5
PatentIndex Score
0
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a radio direction finder, substantially as shown and described.

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