Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-09-29
1998-11-10
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D04009703
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patent: D321928 (1991-11-01), Milo
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patent: D359103 (1995-06-01), Bouc et al.
patent: 3964728 (1976-06-01), Filder
patent: 4218042 (1980-08-01), Eckel
patent: 5102098 (1992-04-01), Daghe et al.
patent: 5201493 (1993-04-01), Kim
Bestwill Corporation
Douglas Alan P.
O'Neill James G.
Taylor Robin V.
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