Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-12-22
1998-08-18
Zarfas, Louis S.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
D23255, 2301
Patent
active
D03972070
REFERENCES:
patent: D235546 (1975-06-01), Landell
patent: D293362 (1987-12-01), Hill et al.
patent: D296461 (1988-06-01), Yost
patent: D380252 (1997-06-01), Abel
patent: D381404 (1997-07-01), Doughty et al.
patent: D387416 (1997-12-01), Chin
Kapustij Myron B.
Masco Corporation of Indiana
Sutherland Malcolm L.
Watterson Eric
Zarfas Louis S,.
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