USD347683SExpiredUtility

Portable electrical heater

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Assignee: DURACRAFT CORPPriority: Mar 18, 1990Filed: Mar 18, 1990Granted: Jun 7, 1994
Est. expiryMar 18, 2010(expired)· nominal 20-yr term from priority
Inventors:Bernard ChiuJui-Shang WangRichard M. O'Grady
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PatentIndex Score
21
Cited by
3
References
1
Claims

Claims

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

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