Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1989-05-30
1991-11-19
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03217493
REFERENCES:
patent: 2802218 (1957-08-01), Wanger
patent: 2830302 (1958-04-01), Nelson et al.
patent: 2992806 (1961-07-01), Fanter et al.
patent: 3758893 (1973-09-01), Smolinski et al.
patent: 3969775 (1976-07-01), Haselton
patent: 4419773 (1983-12-01), Sullivan
patent: 4497076 (1985-02-01), Sullivan
Gandy James M.
Haynes James D.
Lichtenstein Lisa
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