USD391355SExpiredUtility

Parabolic electric heater

54
Assignee: NAT PRESTO INDUSTRIES INCPriority: Dec 19, 1995Filed: Dec 19, 1995Granted: Feb 24, 1998
Est. expiryDec 19, 2015(expired)· nominal 20-yr term from priority
Inventors:James A. Hedrington
54
PatentIndex Score
8
Cited by
29
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a parabolic electric heater, as shown.

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