Radial air flow controller

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified

Design Patent

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Design Patent

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29229484

CLAIM:
The ornamental design for a radial air flow controller, as shown and described.

REFERENCES:
patent: D123329 (1940-10-01), Serre et al.
patent: D158672 (1950-05-01), Koch
patent: 2521636 (1950-09-01), Kurth
patent: D165983 (1952-02-01), Kennedy
patent: 2616355 (1952-11-01), McCabe et al.
patent: 3311044 (1967-03-01), Marino
patent: 4145961 (1979-03-01), Lolli
patent: D317819 (1991-06-01), Sello
patent: 5133693 (1992-07-01), Blomster
patent: D475130 (2003-05-01), Stout, Jr.
patent: D475447 (2003-06-01), Stout, Jr.
patent: D488217 (2004-04-01), Stout, Jr.
patent: D488859 (2004-04-01), Stout, Jr.

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