Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Design Patent
2003-06-05
2004-02-24
Vinson, Brian N. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
Design Patent
active
D0487141
CLAIM:
The ornamental design for an electric heater, as shown and described.
REFERENCES:
patent: D267424 (1982-12-01), Boldt et al.
patent: D276258 (1984-11-01), Glucksman
patent: D284787 (1986-07-01), Nakamura
patent: D329692 (1992-09-01), Chaney et al.
patent: D467324 (2002-12-01), Ching
Birch & Stewart Kolasch & Birch, LLP
Vinson Brian N.
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