Industrial fan

Details Industrial fan Industrial fan

2005-04-05

2005-04-05

Lichtenstein, Lisa (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0503789

CLAIM:
The ornamental design for an industrial fan, as shown and described.

REFERENCES:
patent: 4424006 (1984-01-01), Armbruster
patent: 4483664 (1984-11-01), Armbruster
patent: 4954049 (1990-09-01), Armbruster
patent: D482772 (2003-11-01), Dooley

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