Diffuser

Details Diffuser Diffuser

1998-06-03

2001-02-20

Lichtenstein, Lisa (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

CD23S366000, CD23S369000

Design Patent

active

D0437923

CLAIM:
The ornamental design for a diffuser, as shown.

REFERENCES:
patent: D. 174465 (1955-04-01), Paxton
patent: 2797844 (1957-07-01), Meek
patent: 4220281 (1980-09-01), Martens, III
patent: 4258874 (1981-03-01), Webinger et al.
patent: 4279373 (1981-07-01), Montealegre
patent: DM/018 163 (1990-11-01), None

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