Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1998-07-10
1999-11-09
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
2301
Patent
active
D04163079
REFERENCES:
patent: D309492 (1990-07-01), Boehnke
patent: D316740 (1991-05-01), Kopf
patent: D357058 (1995-04-01), Engerhard
patent: D370521 (1996-06-01), Archer et al.
patent: D377826 (1997-02-01), Robbins
patent: 5651887 (1997-07-01), Posner et al.
A. Earley John F.
A. Earley III John F.
Douglas Alan P.
Taylor Robin V.
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