Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-10-17
1998-12-29
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D04034090
REFERENCES:
patent: D312121 (1990-11-01), Wozniak et al.
patent: D345006 (1994-03-01), Gallagher et al.
patent: 5454393 (1995-10-01), Crain
patent: 5595207 (1997-01-01), Jiles
Dean Dale
Swenson Ralph R.
Douglas Alan P.
Middleton James B.
Taylor Robin V.
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