Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1992-01-14
1994-06-28
Reid, Stella
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03483061
REFERENCES:
patent: 440714 (1890-11-01), Lamb et al.
patent: 1947081 (1934-02-01), Grady et al.
patent: 4352370 (1982-10-01), Childress
patent: 5092359 (1992-03-01), Wirta et al.
Reid Stella
Watterson Eric
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