USD327068SExpiredUtility

Headset amplifier

49
Assignee: GN NETCOM ASPriority: Dec 1, 1989Filed: Dec 1, 1989Granted: Jun 16, 1992
Est. expiryDec 1, 2009(expired)· nominal 20-yr term from priority
Inventors:Jan HampfKarsten LanghornLeo Larsen
49
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a headset amplifier, as shown and described.

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