Recording – communication – or information retrieval equipment – Computer – data processor equipment – Peripheral equipment
Design Patent
1999-08-12
2001-05-22
Tung, M. H. (Department: 2911)
Recording, communication, or information retrieval equipment
Computer, data processor equipment
Peripheral equipment
Design Patent
active
D0442593
CLAIM:
The design for a trackball, as shown and described.
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Vaghefi Farid
Vaghefi Kimberly
Koppel & Jacobs
Ram Michael J.
Tung M. H.
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