Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Design Patent
2003-10-29
2004-12-07
Vinson, Brian N (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
CD23S332000
Design Patent
active
D0499474
CLAIM:
The ornamental design for convection heater, as shown and described.
REFERENCES:
patent: D311951 (1990-11-01), Dubin
patent: D320648 (1991-10-01), Velazquez
patent: D401315 (1998-11-01), Boyle et al.
patent: D402749 (1998-12-01), Jane et al.
patent: D408510 (1999-04-01), Moreno
patent: D464413 (2002-10-01), Shapiro et al.
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