USD442961SExpiredUtility

Optical trackball

55
Assignee: LOGITECH INCPriority: May 8, 1998Filed: May 8, 1998Granted: May 29, 2001
Est. expiryMay 8, 2018(expired)· nominal 20-yr term from priority
Inventors:Peter SheehanCathal Loughnane
55
PatentIndex Score
8
Cited by
31
References
1
Claims

Claims

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

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