Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1988-01-06
1991-05-07
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
D 8308
Patent
active
D03167470
REFERENCES:
patent: D101442 (1936-10-01), Dreyfuss
patent: D115811 (1939-07-01), Reinecke
patent: D171571 (1954-03-01), Baker, Jr.
Domestic Engineering, Feb. 1957, p. 43, top left handles.
Kohler Co.
Largen James R.
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