Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1988-08-15
1991-07-02
Lucas, Susan J.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03179664
REFERENCES:
patent: D205582 (1966-08-01), Willinger
patent: D220486 (1971-04-01), Sesholtz
patent: D222619 (1971-11-01), Lovitz
patent: D291720 (1987-09-01), Willinger et al.
patent: D294172 (1988-02-01), Willinger
patent: 4842727 (1989-06-01), Willinger et al.
Lucas Susan J.
Tung M. H.
Willinger Bros. Inc.
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