Supply air device

- Air Innovation Sweden AB
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Description

FIG. 1 is a top front perspective view of the supply air device showing my new design; and,

FIG. 2 is a bottom rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
4020753 May 3, 1977 Efstratis
5358444 October 25, 1994 Helm et al.
Patent History
Patent number: D398975
Type: Grant
Filed: Nov 14, 1997
Date of Patent: Sep 29, 1998
Assignee: Air Innovation Sweden AB
Inventor: Bernt Nystrom (Huddinge)
Primary Examiner: Lisa Lichtenstein
Law Firm: Ostrolenk, Faber, Gerb & Soffen, LLP
Application Number: 0/79,579
Classifications
Current U.S. Class: Air Treatment (D23/355); Flow Director (29) (D23/387); Circular (D23/390)
International Classification: 2304;