USD330074SExpiredUtility

Portable electrical humidifier

94
Assignee: DURACRAFT CORPPriority: Jun 13, 1991Filed: Jun 13, 1991Granted: Oct 6, 1992
Est. expiryJun 13, 2011(expired)· nominal 20-yr term from priority
Inventors:Jui-Shang WangBernard ChiuFrank MarinoRichard M. O'Grady
94
PatentIndex Score
48
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable electrical humidifier, as shown.

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