USD306873SExpiredUtility
Twin-nibbed marking pen
Est. expiryMay 11, 2007(expired)· nominal 20-yr term from priority
Inventors:Katsuhiko Yazaki
82
PatentIndex Score
21
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a twin-nibbed marking pen, as shown.
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