Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1996-11-14
1998-12-29
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
2301
Patent
active
D04034066
REFERENCES:
patent: D316741 (1991-05-01), Kurth et al.
patent: D323017 (1992-01-01), Bernstein
patent: D344783 (1994-03-01), Hirman et al.
patent: D347462 (1994-05-01), Douglas
patent: D372515 (1996-08-01), Douglas
Douglas Alan P.
Paragon Water Systems, Inc.
Silverman M. K.
Taylor Robin V.
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