Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1998-01-09
1999-05-11
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
D11184, D21599, 2301
Patent
active
D04097157
REFERENCES:
patent: D238005 (1975-12-01), Jacks
patent: D286560 (1986-11-01), Wolfe
patent: D325069 (1992-03-01), Gaury
Cruz Anthony V.
Romandy Mark K.
Douglas Alan P.
Dybvig Roger S.
Hamilton Beach, Proctor-Silex, Inc.
Taylor Robin V.
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