Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1997-11-11
1999-02-16
Nunn, Freda
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
2301
Patent
active
D04058682
REFERENCES:
patent: D314607 (1991-02-01), Kapec et al.
patent: D353440 (1994-12-01), Ito et al.
patent: 3747765 (1973-07-01), Nowak
Denkewicz, Jr. Raymond P.
Gagnon Roger H.
Lane Stephen E.
Nelsen Daniel J.
Petrie Aidan J.
Fountainhead Technologies, Inc.
Nunn Freda
Russell Dean W.
Taylor Robin V.
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