USD374867SExpiredUtility
Ergonomic trackball
Est. expiryJun 9, 2015(expired)· nominal 20-yr term from priority
Inventors:Eugene Canavan
86
PatentIndex Score
31
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an ergonomic trackball, as shown.
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