Air heater

Details Air heater Air heater

2008-02-01

2009-11-17

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Mobile space heater, e.g., wheeled blower type, etc.

Design Patent

active

D0604399

CLAIM:
The ornamental design for an air heater, as shown and described.

REFERENCES:
patent: D105364 (1937-07-01), Herr
patent: D105999 (1937-09-01), Morgan
patent: D163671 (1951-06-01), Beckett
patent: D405170 (1999-02-01), Haeck
patent: D573703 (2008-07-01), Gosselin et al.

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