USD306394SExpiredUtility
Envelope opener
Est. expiryFeb 24, 2007(expired)· nominal 20-yr term from priority
Inventors:Neil E. Koenig
91
PatentIndex Score
52
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an envelope opener, as shown.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.