Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1990-11-30
1992-07-28
Lucas, Susan J.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03283313
REFERENCES:
patent: D175019 (1955-06-01), Ferar
patent: D205922 (1966-10-01), Moon
patent: D224707 (1972-09-01), Marsh
patent: D231456 (1974-04-01), Marsh
patent: D235062 (1975-05-01), Mayer
patent: D300279 (1989-03-01), Umehara et al.
Drager Michael E.
Tischler Edward J.
Winberg Dennis G.
Ecowater Systems, Inc.
Gealow Jon Carl
Lucas Susan J.
Tung M. H.
Wetzel James M.
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