Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-05-06
1998-03-31
Zarfas, Louis S.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D03930521
REFERENCES:
patent: D254088 (1980-01-01), Haug
patent: D291238 (1987-08-01), Haug et al.
patent: D331450 (1992-12-01), Haug et al.
patent: D357060 (1995-04-01), Haug et al.
Dubno Herbert
Friedrich Grohe AG
Watterson Eric
Zarfas Louis S,.
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