USD340445SExpiredUtility

Dual component keyboard unit

89
Assignee: MARQUARDT GMBHPriority: Mar 13, 1991Filed: Sep 10, 1991Granted: Oct 19, 1993
Est. expiryMar 13, 2011(expired)· nominal 20-yr term from priority
Inventors:Kai-Uwe MarquardtEkkehard SachsRalf Sauer
89
PatentIndex Score
31
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a dual component keyboard unit, as shown and described.

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