Airflow screen

Details Airflow screen Airflow screen

2005-03-15

2005-03-15

Zarfas, Louis S. (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0502990

CLAIM:
The ornamental design for an airflow screen, as shown and described.

REFERENCES:
patent: D17621 (1887-08-01), Wood
patent: 634642 (1899-10-01), Howard
patent: 778050 (1904-12-01), Langenhop
patent: 1919407 (1933-07-01), Wood
patent: D251619 (1979-04-01), Hallock et al.
patent: D392032 (1998-03-01), Zaragoza et al.
patent: D414281 (1999-09-01), Sassenberg

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