Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Design Patent
2001-05-21
2002-12-31
Bullock, B. J. (Department: 2912)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
Design Patent
active
D0468006
CLAIM:
The ornamental design for an electrical heating device, as shown and described.
REFERENCES:
patent: D103110 (1937-02-01), Kilham
patent: D271132 (1983-10-01), Boldt et al.
patent: D290036 (1987-05-01), Nakamura
patent: D329284 (1992-09-01), Patton
patent: D410074 (1999-05-01), Lee
Bullock B. J.
Christensen O'Connor Johnson & Kindness PLLC
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