Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2006-05-23
2006-05-23
Oliver, Catherine R. (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Design Patent
active
D0521631
CLAIM:
The ornamental design for an air diffuser, as shown and described.
REFERENCES:
patent: D171505 (1954-02-01), Krueger
patent: D325434 (1992-04-01), Dosmann
patent: D434488 (2000-11-01), Smith
patent: D434489 (2000-11-01), Smith
patent: D508122 (2005-08-01), Murphy
AirConcepts, Inc.
Hansley Kim & Edgington, LLC
Oliver Catherine R.
Scull Peter B.
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