Gas separation – Combined or convertible – Involving communication receiving or transmitting apparatus
Patent
1997-01-17
1998-03-24
Chiesa, Richard L.
Gas separation
Combined or convertible
Involving communication receiving or transmitting apparatus
55486, 55487, 55524, 55528, B01D 3502
Patent
active
057307709
ABSTRACT:
A two-stage filter unit utilizing coarse and fine filter media in series, with the coarse filter media being detachable from a housing containing the fine filter media, the filter being especially suitable for filtration of cooling air taken in by electronic equipment.
REFERENCES:
patent: 4889542 (1989-12-01), Hayes
patent: 5223006 (1993-06-01), Moran, III
patent: 5232478 (1993-08-01), Parris
patent: 5431974 (1995-07-01), Pierce
patent: 5462569 (1995-10-01), Benjamin
patent: 5492551 (1996-02-01), Wolfe
patent: 5525136 (1996-06-01), Rosen
patent: 5573811 (1996-11-01), Townsley
Chiesa Richard L.
SEH America Inc.
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