USD335341SExpiredUtility

Portable vaporizer

81
Assignee: DURACRAFT CORPPriority: Jul 15, 1992Filed: Jul 15, 1992Granted: May 4, 1993
Est. expiryJul 15, 2012(expired)· nominal 20-yr term from priority
Inventors:Richard M. O'Grady
81
PatentIndex Score
21
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable vaporizer, as shown and described.

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