Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Design Patent
2000-03-03
2001-02-06
Bullock, B. J. (Department: 2912)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
Design Patent
active
D0437397
CLAIM:
The ornamental design for electric heater, as shown and described.
REFERENCES:
patent: D. 311951 (1990-11-01), Dubin
patent: D. 320648 (1991-10-01), Velazquez
patent: D. 401315 (1998-11-01), Boyle et al.
patent: D. 408510 (1999-04-01), Moreno
Bullock B. J.
Dougherty & Troxell
Perfect Union Co. Ltd.
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