Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1990-02-15
1994-04-12
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03460118
REFERENCES:
patent: D237882 (1975-12-01), Yamasaki
patent: D263871 (1982-04-01), Matsuura
patent: D264131 (1982-04-01), Matsuura
patent: 1786963 (1930-12-01), Schoenberger
patent: 2191002 (1940-02-01), Volkert
patent: 2418808 (1947-04-01), Benson
patent: 2490839 (1949-12-01), Shaffer et al.
Bender S. Michael
Largen James R.
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