USD321905SExpiredUtility
Twin-nibbed writing instrument
Est. expiryMay 18, 2009(expired)· nominal 20-yr term from priority
Inventors:Charlie Tu
53
PatentIndex Score
8
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for twin-nibbed writing instrument, as shown and described.
Join the waitlist — get patent alerts
Track USD321905S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.