Contamination control breather

Details Contamination control breather Contamination control breather

1999-03-31

2001-03-27

Lichtenstein, Lisa (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0439644

CLAIM:
I claim the ornamental design for a contamination control breather, as shown and described.

REFERENCES:
patent: 4504289 (1985-03-01), Waller
patent: 4548624 (1985-10-01), Waller
patent: 4917712 (1990-04-01), Crigler

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